Soft, wonderful cotton. A handsome weave unique to Charles Tyrwhitt. There are so many reasons to fall head over heels for this shirt. That's why we've kitted it out with a versatile soft interlined collar: so it looks the business with or without a tie, and you can wear it whenever you fancy (in my case rather a lot). 100% cotton, Semi-spread collar, Slim fit, Rounded Button cuff with one button, Complimentary brass collar stays and contrast gusset, Split back yoke, back pleats and side gusset, Machine washable - Slim fit semi-spread collar business casual navy patterned shirt