Wicked warm and waterproof, Marmot's Skylark Pants excel when winter beckons girls to snow covered slope and trails.. . 2 layer polyester twill shell fabric backed by Marmot MemBrain. MemBrain provides durable waterproof protection and excellent breathability keeps moisture out and allows sweat to escape, so you stay dry and comfortable. 60 g Thermal R polyester insulation for excellent warmth to weight ratio, resilience, and high durability. Seam taped for complete waterproof protection. Brushed tricot seat and thighs for added warmth. Adjustable waist with snap closure and zip fly. Zip secure pockets. Back patch pockets with snap closure. Articulated knees for freedom of movement. Internal flex boot gaiter to keep snow out. Cordura scuff guards at inside hem for durability. Regular fit.