Patagonia R1 Lite Yulex FZ L/S Wetsuit Jacket - Black   A stretchy, neoprene-free wetsuit jacket made of 85% Yulex® natural rubber/15% synthetic rubber by polymer content; the natural rubber is from sources that are Forest Stewardship Council® certified by the Rainforest Alliance. Best for water 65°–75° F/18°–23° C. Fair Trade Certified™ sewn.   Front Zip Wetsuit Jacket Long Sleeve R1 Lite - 2mm Thick Patagonia R1 Lite Yulex FZ L/S Wetsuit Jacket - Black