Tactical Pajamas in plaid, military-grade nylon/cotton blend fabric, WITH BUILT-IN HOLSTER. This is a slightly lighter weight material than the all-cotton version, and it dries slightly quicker. Inseam length is 30". S- Waist 28-30, M- Waist 32-34, L- Waist 36-38, XL- Waist 40-42.