These Strawpile Insulated Ski Pants feature low-profile synthetic insulation for warmth during cold conditions. A waterproof and breathable membrane protects against wind and storms while assisting with temperature regulation. The design includes reinforced cuffs for increased durability. oxford woven structure 20k extremely waterproof highly breathable mechanical stretch fabric Primaloft® Black Eco insulation fully seam taped dwr pfc free durable water repellent treatment removable suspenders adjustable waist hand zippered pockets