Men's Long Sleeve Cotton Shirt in Classic Colours for Smart Casual Wear | Koossa
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Men's Long Sleeve Cotton Shirt
A classic button-down shirt designed to offer effortless versatility and timeless style. Crafted from smooth, breathable cotton fabric, this long sleeve shirt features a regular fit with a modern straight cut that sits comfortably without clinging. The clean front placket and single chest pocket add understated detail, whilst the full button closure ensures a polished finish. Available in a carefully curated palette of sophisticated neutrals and deeper tones, this shirt transitions seamlessly from office meetings to weekend gatherings. It's the kind of piece that anchors your wardrobe — reliable, refined, and always appropriate.
Why You'll Love It
- Breathable cotton construction: Keeps you comfortable throughout the day, whether you're layering beneath a blazer or wearing it on its own in warmer months.
- Regular fit with a modern cut: Offers freedom of movement without excess fabric, flattering a range of builds with ease and confidence.
- Versatile colour selection: Choose from seven refined shades — including crisp white, navy, charcoal grey, forest green, khaki, royal blue, and black — each suited to different occasions and moods.
- Single chest pocket detail: Adds practical function and subtle visual interest without overwhelming the clean lines of the shirt.
- Easy-care fabric: Simply machine wash cold with similar colours and line dry or tumble on low heat to maintain the shirt's shape and finish.
- Extended size range: Available from S through to 5XL, ensuring a comfortable, flattering fit for all body types.
Perfect For
This long sleeve cotton shirt is ideal for the modern gentleman who values both comfort and presentation. Wear it tucked into tailored trousers for business casual settings, or leave it untucked over chinos for relaxed weekend plans. Layer beneath a knitted jumper or blazer when the weather turns cooler, or roll the sleeves for a more informal look during spring and summer. Whether you're attending a family celebration, enjoying a quiet Sunday lunch, or simply seeking a dependable everyday shirt that never looks out of place, this piece delivers quiet confidence and enduring appeal. It's the foundation of a well-considered wardrobe — dependable, sophisticated, and always in good taste.
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.