Winter Snow Jacket. Insulated 2-Layer, 20k waterproof jacket.You can ride out the coldest days warm and dry in the women's Burton Reserve 2L Insulated Jacket. Our high-performance, two-layer, waterproof, breathable construction with fully-taped seams and insulation throughout keeps you focused on the fun through cold lift rides and stormy weather. A complete package of rider-designed features gives you all the venting, adjustability, and functional pockets you need to dial in your comfort on the mountain.