Designed with a 4-way stretch shell for any adventure with next-to-skin bamboo comfort in the pockets and waistband. Fixed waist with metal button closure and zipper fly. 4-way stretch shell lined with bamboo blend waistband and pockets. Belt loops. Hidden velcro back pocket. Materials: Woven Move 161. Shell: 88% Polyester / 12% Spandex Lining: 70% Viscose from Bamboo / 30% Polyester.