100% Polyester Ripstop with PU 220gsm. Lining: 100% Polyester Pongee 107gsm. Wadding: Sorona® Aura 200-T and 160-T. Waterproof rating: Up to 10,000mm H2O. Reflective taped H pattern with X back and hoop taping on lower leg. All seams are seam sealed. 687gsm of multi-layer insulating power, including 360gsm Sorona® Aura insulation for extra warmth in extreme cold conditions. Sorona® Aura insulation is partially plant based which reduces its impact on the environment. Sustainably sourced insulation. Storm flap with touch tape and zip closure. Ribbed sleeve cuff. Long side leg vent with zipper and press snap closure. Double layer knee