FABRIC: Cotton;Polyester Features: 1. U Convex Pouch Design ! 2. Keep Warm,Breathable ! Item Type: Sleepwear Bottoms Fabric Material: 95%Cotton 5%Polyester Closure Type: Elastic Waist Length: Ankle Length Waist:Mid Waist Design Features: Widen Waistband Season:Spring, Fall Occasion: Home, Casual Color:Dark Gray,Black,Light Gray,Royal Blue US Size: M,L,XL,2XL Package included: 1*Sleepwear 2.About Size:Size may be 2cm/1 inch inaccuracy due to hand measure.