The 3L Element Proof Rain Pants and Jacket have been carefully designed and built by hunters, for hunters. Designed to be the quietest outer shell available in a rain suit, Pnuma built the 3-layer (3L) technology from the ground up, or in this case, the high performance, 4-way stretch, waterproof/breathable membrane. The fabric has a 100% polyester interlock that keeps water at bay, then a 3M C4 DWR coating is added to take the waterproofing a step further. The result is a waterproof rating of 20,000mm and a MVP breathability rating of 15,000 g/m2/24h, which means hunters will stay dry, while not overheating.