Calvin Klein slim fit stretch poplin shirt in black

Underwear authority and all-round fashion icon, Calvin Klein puts a designer stamp on clean, casual-cool staples. From shirts to waistbands, the brand’s famous CK logo serves up instant style points. Refresh your basics with jeans, T-shirts and sweatshirts, cop some fresh loungewear or fix up in tailored suit jackets, smart trousers and signature fragrances, all available in our Calvin Klein at ASOS edit. It doesn’t get better than a new pair of CK briefs, either.