G503 Golds Gym Karate Pants Striped Black is 100% cotton and Grey is 50/50 cotton/poly Machine wash and dry warm Karate Pants with stripes and Golds Gym sewn label Flare leg bottom and side pockets Black is 100% Cotton, Grey is 50/50 Cotton/Poly 2" elastic waistband with drawcord Karate pants and all gym wear ships the same business day