Men's Relaxed Fit Short Sleeve Shirt — Boxy Retro Summer Shirt with Button Front & Breathable Weave | Koossa
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Effortless Retro Style for the Modern Gentleman
This relaxed-fit short sleeve shirt brings a touch of vintage charm to your warm-weather wardrobe. Cut with a boxy silhouette and finished with a classic button-front closure, it offers a laid-back aesthetic that works beautifully for garden parties, weekend getaways, and smart-casual office days. The breathable open weave ensures all-day comfort, whilst the timeless design allows you to layer it over a simple tee or wear it open for a more relaxed look.
Why You'll Love It
- Boxy, vintage-inspired cut: Provides a relaxed silhouette with plenty of room for movement and comfort.
- Short sleeves: Perfectly suited to spring and summer dressing, keeping you cool when temperatures rise.
- Button-front fastening: Adds a touch of traditional craftsmanship and allows for versatile styling options.
- Open-weave construction: Ensures excellent airflow and a lightweight feel against the skin.
- Versatile styling: Pairs effortlessly with chinos, jeans, or tailored shorts for a variety of occasions.
- Timeless retro appeal: Channels a classic mid-century aesthetic that never goes out of fashion.
Perfect For
Whether you're heading to a weekend barbecue, enjoying a coastal retreat, or simply want to elevate your everyday style, this shirt offers the ideal balance of comfort and character. The relaxed fit makes it an excellent choice for gentlemen who appreciate classic menswear with a contemporary edge. Layer it casually or wear it buttoned up — either way, you'll exude understated elegance and effortless charm throughout the warmer months.
Free UK delivery on every order — no minimum spend required.
Your order is carefully packaged and sent with full tracking, so you always know exactly when to expect your delivery.
Order today and we'll dispatch it the next working day.
Not quite right? You have 30 days to return your purchase — no questions asked.
We also offer a 2-year guarantee against manufacturing faults, because we stand behind everything we sell.
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Why shop with Koossa?
The Koossa team
We stand behind every piece we sell
We started Koossa because we believed fashion could be both timeless and trustworthy. Every garment is personally selected for its quality, cut, and craftsmanship. If it wouldn't meet our own standards, it doesn't reach yours. That's not a policy — it's simply how we work.