White Sierra Boy's Bilko Pants feature a 100% polyester waterproofbreathable fabric shell. The polyfill insulation gives lightweight warmth. Designed for a great fit and excellent mobility, these pants can be worn for all cold weather activities including skiing, snowboarding and sledding. 100% polyester shell fabric with nylon taslon trim and 100% nylon taffeta lining. Waterproofbreathable fabric keeps you dry and maintains breathability. 100% polyester polyfill insulation for lightweight warmth. Partial elastic waist for a better fit. Two back pockets. Front fly for fit and comfort. Articulated knees for better fit on legs. Gaiters with gripper elastic to keep out snow and cold. Reinforced scuff guard for durability. Import.