CR7's cotton blend fitted trunks are a combination of cotton and elastane. These flexible, breathable materials are paired with our body minded trunk designs and smooth elastic waistbands to ensure your CR7's feel as good as they look. CR7 collections are designed and manufactured with an attention to detail seldom found in men's underwear. Durable manufacturing meets high performing, fine looking clothing. Expect nothing less than greatness from a CR7 brand.