The Patagonia R3 Yulex is a neoprene-free high performance suit made from 85 % Yulex natural rubber and 15 % synthetic rubber in the polymer portion. The natural rubber has a Forest Stewardship Council™ certificate from the Rainforest Alliance. The Yulex offers you a warm thermal lining. The torso and thighs have a spun-dyed microgrid thermal lining made from 95 % polyester (51 % recycled) and 5 % recycled elastane that dries quickly and is super warm and supple. Sleeves and legs come with a high-stretch, jet-dyed lining made from 100 % recycled polyester. The outer material made of 85 % recycled polyester and 15 % recycled elastane was laminated with solvent-free AquaA™ adhesive. All seams are triple taped, sealed from the outside and additionally backed with tape from the inside. Supratex knee pads and ankle cuffs for durability and a perfect, anatomical fit. FeaturesMade from natural rubberWarm thermal liningHighly elastic lining made of recycled polyesterWater based adhesiveFully sealed seamsRobust, flexible material on knees and cuffsPatagonia supports the people who make this productFair Trade™-certifiedWeight 1,520 gNatural rubber with a Forest Stewardship Council™ certificate from the Rainforest Alliance