The ultimate jacket for combining sweaty ascents with numbingly cold descents NikeGÇÖs Aeroloft Kampai Insulated Snowboard Jacket is one of Nikes techiest pieces The Aeroloft Kampai combines 20K waterproofing with off the charts 40K breathability This way moisture cant seep in from the outside and it cant accumulate on the inside The Kampai fully insulates with a Thermal Mapped combination of 800 down and low pro Primaloft-« synthetic Despite its heavy duty warming this jacket is both lightweight and free moving Specs Fabric Rating 20K Waterproof / 40K Breathable Shell Material Durable 12 denier polyester Lining Material 88pct Polyester/12pct Spandex Insulation Aeroloft Lining System combines 800 fill down and synthetic Primaloft-« Features Thermal Mapped insulation manages superior heating and breathability Aeroloft baffle construction with perforated holes provides lightweight warmth and ventilation Articulated sleeves and shoulders offer natural movement Off center zipper stays out of your way Chin guard with vapor elimination system keeps goggles clear Attached hood for weather protection Adjustable cuffs fit around gloves to keep out snow 2 waist and 2 chest pockets on exterior 1 inner media pocket and 1 inner zippered pocket