The Pulse Cargo Insulated Ski or Snowboard Pant for Boys. The fabric is both waterproof and breathable to ensure that your child stays warm and dry. This pant is also insulated. Shell, Insulation and Lining are 100% Polyester. A metal button and zipper waist closure. Elastic stretch side waistband. Straight cuffs. Leg openings have a inner snow gator which is an elastic nylon layer that can be tucked into boots to keep out snow and cold air. Two 5" front zipper closure pockets. Articulated Knees. Measurements for these Pants are: *Boys Small or Size 8/10 has a waist (not stretched) of 24 inches and an inseam of 25 inches. *Boys Medium or Size 12/14 has a waist (not stretched) of 26 inches and an inseam of 26 inches. *Boys Large or Size 16/18 has a waist (not stretched) of 28 inches and an inseam of 28 inches. *Boys Extra Large or Size 20 has a waist (not stretched) of 28 inches and an inseam of 29 inches.