Calvin Klein

Shop Calvin Klein at Northern Threads, stocking underwear, T-shirts, and casualwear. Known for modern minimalist design and premium cotton construction, Calvin Klein's underwear range includes briefs, trunks, and boxers in the brand's signature waistband styles. Browse all underwear or T-shirts.

Questions About Calvin Klein

What is Calvin Klein's best-known product category? +

Calvin Klein is globally recognised for its premium underwear, featuring the iconic waistband logo. The brand also produces excellent denim, t-shirts, and accessories. Northern Threads stocks Calvin Klein underwear and select casualwear.

How do Calvin Klein underwear sizes work? +

Calvin Klein underwear follows standard S/M/L/XL sizing based on waist measurement. The brand offers a detailed size guide on each product. The Classic Cotton and Modern Cotton ranges are their most popular, with the Modern Cotton offering a softer, stretchier feel.

Are Calvin Klein items at Northern Threads genuine? +

Yes — Northern Threads is an authorised retailer of Calvin Klein. All items are genuine and sourced directly from the brand, complete with original packaging.