A stretchy, neoprene-free 4/3mm full suit built from 85% Yulex® natural rubber/15% synthetic rubber by polymer content; the natural rubber is from sources that are Forest Stewardship Council® certified by Preferred by Nature™. All internal fabrics are now made with NetPlus® postconsumer recycled nylon made from recycled fishing nets, a first in the wetsuit industry. Best for water temperatures 50°–60° F/10°–16° C. Made in a Fair Trade Certified™ factory. The Men's Regulator® 4/3 Full Suit is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Patagonia Men's Regulator® 4/3 Full Wetsuit in Black, Large/Tall