Inspired by nautical adventures, our half-zip is constructed from Supima cotton, known as the world's finest. Sport this on the coast or in the city for a cool timeless look.97% Cotton, 2% Nylon, 1% SpandexMachine Wash according to care instructions for best resultsImportedWe use ...Inspired by nautical adventures, our half-zip is constructed from Supima cotton, known as the world's finest. Sport this on the coast or in the city for a cool timeless look.97% Cotton, 2% Nylon, 1% SpandexMachine Wash according to care instructions for best resultsImportedWe use American-grown Supima cotton for its extra-long staple fibers that provide superior strength, softness, color retention, and longevity to our styles.