Baskit Mens Ribbed Low Rise Trunk Underwear 95% Cotton, 5% Elastane Our Ribbed collection provides great style with our wide ribbed fabric design and superior support while leaving you a bit free and less constricted due to the elasticity of the ribbed fabric construction Great for the guy who likes some breathing room without sacrificing support The Low-Rise trunk is perfect for guys who want the support of a traditional brief with more coverage They are sure to keep you comfortable all day, and all night Fabric: 95% Cotton, 5% Elastane.