Designed for the intensity of snowboarding with sweeping lateral vents and cushioning for shin and ankle protection. Midweight. Mapped shin, calf, and forefoot cushioning. Broad venting for breathability. Added thickness at ankle for protection. Forward flex zone to prevent bunching. Superior warmth, heel fit, shin protection, and dryness. 33% merino wool, 33% Endurofil , 32% nylon, 2% Lycra . Wash inside out.