Tencel sleep short by eco-brand MATE the label! Detox your sleepwear with these cozy and comfy shorts in a beautiful pale sage green color. Size medium. The sleep short you've been dreaming of is made with a blend of 70% TENCEL™ Lyocell and 30% Organic Cotton. This relaxed mid-rise short is designed to flatter with a curved butterfly-shaped hem, back pockets, and soft elastic waist.