Arctix Ski Cargo Snow Pant Womens 100% nylon Outer Material: 100% Nylon --Offers you high strength and excellent resilience, nylon has superior abrasion resistance and high flexibility. Insulation: 100% Polyester --A lightweight synthetic insulation that helps to trap your warmth in. Water Resistance: Water-repellant--Serves as a barrier against water, forcing it to bead and roll away. Ankle Zippers--Easy access to boots for adjustment and removal. Snow Cuff--Prevents powder from entering the pant leg.