Men's Slim Fit Long Sleeve Shirt in Cotton Blend | Classic Tailored Collar | Smart Casual Workwear | Koossa
Free UK delivery — includes tracking
30-day money-back guarantee
Men's Slim Fit Long Sleeve Shirt
A wardrobe cornerstone for the modern gentleman. This slim fit shirt is expertly tailored to deliver a clean, contemporary silhouette without compromising on comfort. Crafted from a smooth cotton-blend fabric, it drapes beautifully and holds its shape throughout the day. The classic button-front design and neat collar make it suitable for the boardroom, evening occasions, or relaxed weekend gatherings. Available in a curated palette of versatile neutrals and refined tones, this is the shirt you'll reach for time and again when you want to look polished and feel confident.
Why You'll Love It
- Flattering slim fit: Designed to follow the natural line of your frame, offering a modern, sculpted look that's neither tight nor boxy.
- Premium cotton blend: Soft against the skin, breathable, and easy to care for—ideal for year-round wear.
- Timeless button-front styling: A crisp collar and full-length button placket provide the structure you need for smart dressing.
- Versatile colour selection: From classic white and navy to subtle beige and sophisticated grey, each shade pairs effortlessly with tailored trousers or dark denim.
- Effortless layering: Works beautifully under a blazer or pullover, or worn on its own with sleeves rolled for a relaxed finish.
- Dependable quality: Designed to retain its shape and finish wash after wash, so you always look sharp.
Perfect For
Whether you're preparing for an important presentation, meeting friends for dinner, or simply enjoy dressing well every day, this shirt delivers understated elegance without fuss. Pair it with chinos and brogues for a refined office look, or wear it with dark jeans and loafers for smart-casual weekends. It's a piece that adapts to your lifestyle whilst maintaining a sense of quiet sophistication. A must-have for any gentleman who values quality, comfort, and timeless style.
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.