A high-performance, neoprene-free 5.5mm/4mm wetsuit made of 85% Yulex® natural rubber/15% synthetic rubber by polymer content with a recycled nylon lining; the natural rubber is from sources that are Forest Stewardship Council® certified by Preferred by Nature™. Suggested water temperatures: 38°–48° F/3°–9° C. Made in a Fair Trade Certified™ factory. The Women's R4® Yulex® Regulator® Front-Zip Hooded Full Suit is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Patagonia Women's R4® Yulex® Regulator® Front-Zip Hooded Full Wetsuit in Black, Size 10