30 Ideas Business Casual Men’s Summer Fashion 2024

As the sun shines brighter, the professional settings call for an outfit that is both breathable and exclusive. From classic breathable suits to laidback linen shirts, make a bold statement with your outfit and leave everyone in awe.

This guide will help you explore the 30 best clothing styling styles for formal gatherings in summer, striking the perfect balance between class and comfort. 

30 Ideas for Casual Business Fashion

1. Linen Shirts

With their breathable and high-class look, linen shirts are the perfect option when it comes to summer. Pair these shirts with formal bottomwear and footwear for a complete sleek outfit. 

Shirt: A bright-colored button-down linen shirt, offering a bright and lively vibe, much needed in summer. 

Pants: Neutral-toned chinos complement the overall relaxed tones of the outfit, adding elegance and sophistication. 

Footwear: Clean white sneakers complete the sophisticated outfit, adding a touch of refinement to it. 

A comfy and refined look with linen shirt.
@tweltree

2. Short-Sleeve Button-Downs

A casual alternative to long-sleeve button-down shirts, the short-sleeve button-downs are a stylish option for summerwear. They can be paired with chinos or formal pants for a complete refined outfit.

Shirt: A sleek short-sleeve button-down shirt in dark hues, presenting a classy and bold look.

Pants: A pair of light-shaded dress pants balance out the dark tones of the topwear, completing it like none other.

Footwear: A pair of light-shaded loafers add chicness to the whole outfit, making it a bold choice.

A bold and classy look with a short-sleeve shirt.
@parkeryorksmith

3. Oxford Shirts

Go for a versatile clothing style with Oxford shirts and present a sleek and classic look. These shirts are suitable for both office settings and casual occasions.

Shirt: A light-toned Oxford shirt presenting a relaxed yet refined outfit, perfect to be styled in summer.

Pants: A pair of dark-shaded denim pants balance out the light hues of the Oxford shirt, completing it with perfection.

A classy look with Oxford shirt.
@kooding

4. Polo Shirts

With its high-class look, the polo shirts are a suitable option when it comes to summer wear. They make a great choice for business meetings and professional environments. 

Shirt: A dark-shaded polo shirt, presenting a high-class and exclusive look, making it the ideal choice for a formal setting.

Pants: A pair of dark-shaded denim complements the hues of the topwear, completing the outfit like none other.

Footwear: Clean white sneakers complete the outfit, adding refinement and class to it.

A polished look with a polo shirt.
@dutch_line_egy

5. Henley Shirts

Henley shirts offer a sleek look with their collarless necklines and a few buttons. They can be styled with formal pants or chinos, making them perfect for formal events.

Shirt: A light-shaded Henley shirt, presenting an elegant and high-class look, perfect to be opted for summer.

Pants: Denim pants in light shades maintain a sleek and sophisticated outfit, making them the perfect choice for casual business attire.

A refined appearance with a Henley shirt.
@pantsstore

6. Chambray Shirts

Nothing can provide a more comfortable and stylish outfit than a chambray shirt with its lightweight feel and softer look. It is a modern twist to the traditional denim, with a more relaxed and easy-going fabric.

Shirt: A chambray shirt, with its classy appearance, provides a sleek and sophisticated style that is ideal for formal wear.

Pants:  A pair of classy pants in dark shades balance out the comparatively bright shades of the topwear, completing it with perfection.

A lightweight and sleek look with a Chambray shirt.
@littlefatyaa

7. Dress Shirts with Rolled Sleeves

Roll up your dress shirt’s sleeves and offer an effortlessly cool vibe. The carefree yet professional look of this style is what makes it the favorite of many.

Shirt: A plain white button-down shirt with rolled-up sleeves, offering a sophisticated and elegant look like none other.

Pants: A pair of dark-hued pants balance out the bright shades of the dress shirt, presenting a sleek contrasting look.

Footwear: A pair of dark-shaded boots complete the outfit, adding beauty and class to it.

A classy look with a dress shirt with rolled sleeves.
@nikhsharma

8. Breathable Knit Shirts

Make a bold statement with a breathable knit shirt with its lightweight fabric. These shirts are usually made up of fabric like cotton or linen and are perfect for the warmer weather.

Shirt: A classy, breathable knit shirt in exciting shades offers sleek and sophisticated attire.

Pants: Dark-shaded dress pants complement the hues of the knit shirt with perfection, making the outfit appealing and eye-catching.

A distinctive look with a knit shirt.
@kadaka.men

9. Striped Dress Shirts

Add visual interest to your summer casual business outfit with striped dress shirts. They maintain a polished look while also adding a touch of personality to the whole attire.

Shirt: A dark-shaded striped dress shirt, offering a bold and modern appearance. 

Pants: A pair of chinos in laidback tones balance out the dark topwear with perfection.

A sleek look with striped shirt.
@the_richero

10. Solid Color Dress Shirts

Nothing can provide a more timeless and clean aesthetic than a solid-colored dress shirt. Opt for dark shade for a sleek and stylish appearance. 

Shirt: A sleek button-down shirt in a dark, solid shade, presenting a classy and exclusive look.

Pants: A pair of striped dress pants in dark shades complement the overall dark outfit. 

Footwear: A pair of classy Oxford shoes in dark tones complete the outfit, offering a sleek, monochromatic look.

A cool and classy look with solid dress shirt.
@commandobd_

11. Linen Blazers

Style a professional look this summer with a linen blazer, with its breathable and lightweight fabric. It can be paired with matching linen pants or formal dress pants for an elevated formal look.

Shirt: A white button-down shirt topped with a light-shaded linen blazer, offering a soft and relaxed look that is perfect for summer.

Pants: A pair of neutral-toned pants complement the laidback tones of the topwear with perfection, making the outfit offer a more contemporary look.

Footwear: A pair of suede espadrilles add a touch of beauty to the whole outfit, completing it like none other.

A relaxed and refined look with a linen blazer.
@preymannclothing

12. Checkered Dress Shirts

Add visual interest to your casual business outfit with checkered dress shirts. They can be styled with formal pants or chinos for a complete formal outfit, perfect for summer.

Shirt: A checkered button-down shirt, offering a modern and edgy look that is perfect for casual business attire.

Pants: A pair of ripped denim jeans adds an element of casualness to the outfit, completing it with style.

Footwear: A pair of white canvas sneakers add refinement to the whole look, uplifting the outfit like none other.

A chic look with a checkered dress shirt.
@bhavaydhawan

13. Unstructured Blazers

Provide a relaxed yet refined look this summer with an unstructured blazer. The unstructured blazer features no buttons and casual stitching, perfect for a semi-formal gathering.

Shirt: A dark-shaded undershirt topped with an unstructured blazer with bright shades, presenting a put-together look. 

Pants: A pair of matching dress pants complement the topwear with perfection, adding to its beauty.

Footwear: White sneakers uplift the whole outfit, making it more appealing and eye-catching.

A sleek formal look with an unstructured blazer.
@hisootd

14. Casual Suit Jackets

Casual suit jackets are often made of lightweight fabric. The relaxed and casual look of these jackets makes them a perfect fit for laidback yet formal gatherings in the warmer weather.

Shirt: A plain crisp collar button-down shirt topped with a casual navy jacket, presenting a sleek and refined look. 

Pants: A pair of neutral-toned chinos add an element of casualness to the polished topwear, making it perfectly balanced. 

Footwear: A pair of canvas sneakers with similar shades to the outfits, complete it with unmatched sophisticated and elegance.

A formal look with casual suit jacket.
@suitup.sulit

15. Patterned Button-Ups

Go for a patterned button-up shirt and present a sleek and stylish outfit this summer. These patterns add visual interest to the overall outfit, perfect to be paired with chinos and formal pants for a complete professional appearance. 

Shirt: A bold patterned button-up shirt with vibrant hues, offering a sleek and stylish appearance that is perfect for casual business attires.

A classy look with a patterned button-up.
@theofficialyuva

16. Color-Blocked Shirts

Add color to your summer outfits by opting for color-blocked shirts. This creates a modern and stylish look with multiple shades, perfect for your casual business outfits.

Shirt: A collared color-blocked polo shirt with laidback tones, adding visual interest to the outfit with perfection.

Pants: A pair of light-shaded pants complement the overall relaxed outfit, making it the ideal option for formal wear. 

A bold and modern look with color-blocked shirt.
@wearlux_ug

17. Mandarin Collar Shirts

A refined alternative to the traditional collared shirts, a mandarin collar is all you need to up your fashion game this summer. It can be perfect for both casual and professional settings.

Shirt: A bold and vibrant Mandarin collar shirt, offering a radiant and youthful look.

Pants: A pair of bright-colored pants balance out the vibrant hues of the topwear, completing the outfit with perfection. 

A classy look with a Mandarin collar shirt.
@zantum.in

18. Seersucker Suit

The lightweight and breathable fabric of the seersucker suit makes it a perfect choice when it comes to warmer weather. It can be paired with matching seersucker pants or formal dress pants for complete professional attire.

Shirt: A dark-toned button-down shirt topped with a seersucker blazer in light shades, presenting a classy contrasting appearance.

Pants: A pair of matching seersucker pants add an element of harmony to the outfit, complementing it like none other.

Footwear: A pair of suede loafers complete the sleek outfit, making it perfect for formal wear.

A breathable look with a seersucker suit.
@adamgonon

19. Camp Collar Shirts

The camp collar shirts feature a relaxed collar style, perfect to be styled in summer. The refined look of these shirts can be paired with formal pants or chinos, making them an ideal option for a professional look. 

Shirt: A striped camp collar shirt in laidback tones, presenting a sophisticated and chic summer look.

Pants: A pair of dark-shaded pants balance out the light hues of the topwear, making the outfit perfect for formal events.

Footwear: White canvas sneakers complete the outfit with sophistication and elegance, making it offer a soft and calm look.

A sleek look with a camp collar shirt.
@huntervought

20. Knit Polos

Knit polos are all you need to up your fashion game this summer. They offer a relaxed and stylish alternative to traditional shirts, adding visual interest and class to the outfit.

Shirt: A sophisticated dark-shaded knit polo shirt, offering a unique and distinctive look that is ideal for business meetings and professional settings.

Pants: A pair of relaxed-fit white pants balance out the dark shades of the topwear, elevating the outfit with unmatched beauty.

Footwear: A pair of dark-shaded loafers add an element of refinement to the whole outfit like none other.

A distinctive look with a knitted polo shirt.
@thedecorumbkk

21. White Shirts

Summer with white shirts is the perfect combination you need to try this year. The classic white color presents a sophisticated and classy vibe, perfect to be styled for formal gatherings as well. 

Shirt: A plain white button-up shirt, offering a sophisticated and sleek style that is ideal for formal events.

Pants: A pair of navy blue dress pants balance out the bright shades of the topwear, completing the outfit with unmatched perfection.

A sophisticated look with a white shirt.
@daziusa

22. Bold Colored Shirts

Add a pop of color to your summer attire with a bold-colored shirt. Make a classy statement with the exciting hues of the shirt and maintain a professional look as well. 

Shirt: An exciting hued polo shirt, presenting a sophisticated style, perfect for formal gatherings. 

Pants: A pair of neutral-toned chinos balance out the dark shades of the topwear, completing the outfit with perfection.

A bold and classy look with a bold colored suit.
@royaltagpk

23. Pastel Suit

Nothing offers a more soft and romantic look than a pastel suit with its fresh and versatile shades. The contemporary hues of the pastel suit make it a perfect option for professional settings.

Shirt: A plain white undershirt topped with a pastel blazer, offering a calm and polished look at the same time.

Pants: A pair of matching pastel dress pants add an element of harmony to the whole outfit.

Footwear: Clean white sneakers complete the outfit, adding comfort and style to it.

A classy and soft look with a pastel colored suit.
@kyletheyuan

24. Micro-Check Dress Shirts

This unique and distinctive shirt features small-scale check patterns that add an exciting, visually appealing appearance. This shirt can be paired with chinos or formal pants for an uplifted look.

Shirt: A micro-check button-down shirt, offering a timeless and contemporary style that is perfect for professional wear.

Pants: A pair of denim pants complete the outfit, adding a touch of casualness to the overall look.

A unique and refined look with a micro-check dress shirt.
@ikka_mens_wear

25. Cotton Blazers 

The lightweight and breathable option for business casual outfits is a cotton blazer that provides comfort and style in warmer weather. The cotton blazer can be paired with matching pants or formal dress pants for an uplifted professional look.

Shirt: A patterned collar shirt topped with a cotton blazer in dark shades, offering a bold and modern appearance.

Pants: A pair of white dress pants balance out the dark shades of the topwear with perfection, uplifting the outfit like none other.

A bold look with a cotton blazer.
@ericsana

26. Floral Print Shirts

Add a playful and vibrant look to your summer outfits with a floral printed shirt. The shirt, with its classy look, has the potential to make a bold statement and is perfect to be styled for casual business attire.

Shirt: A white undershirt opped with a dark-shaded floral printed shirt, offering a sleek and smart look.

Pants: A pair of chinos and neutral tones balance out the dark-shaded topwear, completing the outfit with perfection.

Footwear: Clean white canvas sneakers add a touch of elegance to the whole outfit, making it perfect for formal wear.

A classy look with a floral printed shirt.
@harshitmittal15

27. Lightweight Long Sleeve Shirts

The lightweight long sleeve shirts are a classy option when it comes to professional and formal attire. These shirts offer maximum coverage, protecting you from the scorching heat of summer.

Shirt: A neutral-toned lightweight long sleeve shirt, presenting a timeless style that is perfect for professional settings.

A smart look with a lightweight long sleeve shirt.
@rb_sellars

28. Poplin Shirts

Go for a lightweight and breathable outfit with a poplin shirt. These shirts offer a smooth and crisp look, making it ideal for a casual business attire.

Shirt: An exciting shaded poplin shirt, presenting a refined and polished look.

Pants: A pair of dark-shaded formal pants balance out the vibrant hues of the topwear, providing a classy contrasting look.

A breathable and refined look with a poplin shirt.
@nicestuffclothing

29. Slim-Fit Dress Shirts

Flaunt your build with a slim-fit dress shirt and make a bold statement. These shirts, with their classy appearance, are the perfect option when it comes to casual business outfits.

Shirt: A slim-fit plain white button-down shirt, offering a sophisticated and classy appearance. 

Pants: A pair of navy blue dress pants balance out the bright shades of the topwear with perfection.

Footwear: A pair of sleek double monk strap shoes, adding a touch of refinement to the outfit, making it perfect for formal wear.

A chic look with a slim-fit shirt,
@nimblemade

30. Breton Striped Shirts

The classy Breton striped shirts are exactly what you need this summer. With its horizontal stripes, the Breton striped shirt has the potential to offer the perfect outfit for both casual and formal settings.

Shirt: A dark-shaded Breton striped shirt, offering a contemporary and versatile look that is perfect to be styled for a professional setting.

A classy look with a Breton striped shirt.
@royaltagpk

Conclusion

Summer business attire is all about striking the right balance between comfort and style. With breathable and lightweight fabrics, make sure to style an outfit with a relaxed yet polished appearance. With this guide, offer a bold and contemporary look this summer and dress confidently for work!

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