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Arthur | Men's Short-Sleeve Button-Up Shirt Relaxed Open-Collar Knit

Regular price £39.00 Sale price£34.95 Save 10%
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Shipped by mer. 28 mai
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Doesn't fit? No problem! You can exchange or return it anytime, with a 30-day return policy.

We ship using a secure premium shipping method, including tracking, so you can rely on the most reliable service. Currently, we offer this premium shipping for free, take advantage of this offer while it's available!

This men's short-sleeve button-up shirt is your go-to choice for warm-weather days, whether you're heading to a summer gathering or keeping it casual on holiday. Cut with a relaxed open-collar silhouette in a lightweight textured knit, it suits men who want an effortlessly styled look without sacrificing comfort.

Why You'll Love It

  • Open-collar button placket: The deep V-button opening gives a laid-back, modern finish that works dressed up or kept casual.
  • Textured knit construction: The ribbed surface adds visual interest while allowing airflow, keeping you comfortable throughout the day.
  • Relaxed short-sleeve cut: Designed for freedom of movement, the roomy fit and short sleeves make this ideal for warmer months.

Perfect For

Pair it with chinos and loafers for a smart-casual evening out, or wear it open over a plain tee for a relaxed weekend look. Great for holidays abroad, summer barbecues, or a casual day exploring the city. Available in sizes XS to 4XL.

Care Instructions

  • Machine wash cold on a gentle cycle.
  • Do not bleach.
  • Tumble dry low or lay flat to dry.
  • Cool iron if needed, avoiding direct contact with the textured surface.

Frequently Asked Questions

What sizes are available?
This shirt is available in sizes XS through to 4XL, with chest measurements ranging from 100.5 cm to 131 cm.

How does the fit feel, is it relaxed or slim?
The shirt features a relaxed, loose silhouette designed for comfort and easy movement, making it a generous fit rather than a tailored one.

Can I wear this shirt open over a layer?
Yes, the open-collar button placket and relaxed cut make it easy to wear fully buttoned or layered open over a plain tee for a casual look.

Size Chart (in)

Size Length (in) Bust (in) Shoulder (in)
XS 25.6 32.3 13.0
S 26.0 33.9 13.4
M 26.4 35.4 13.8
L 26.8 37.0 14.2
XL 27.2 38.6 14.6
2XL 27.6 40.2 15.0

If you're unsure between sizes, always go one size up. This ensures maximum comfort while maintaining a great fit.

Spring Sale Bundles!

This Season, Shop More, Save More.

For one day only, our Whitmore Circle gets exclusive access to End of Season Bundle Deals on our most-loved pieces.

Whether you're treating a daughter, a sister, or yourself, today is the moment to secure the styles everyone has been asking about.

Buy 2 items → Extra 10% off
Buy 3 → Extra 15% off
Buy 4 → Extra 20% off
Buy 5+ → Extra 25% off

These bundles are end-of-season-exclusive and live for today only once this offer ends, it won't return. And as always with Whitmore… when a style sells out, it's gone for good.

Stock is limited. Today is the day.

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Arthur | Men's Short-Sleeve Button-Up Shirt Relaxed Open-Collar Knit