Our comfortable, durable Yulex® Wading Socks are built with 85% natural rubber and 15% synthetic rubber by polymer content. Perfect for wet wading or for wearing inside our packable waders or wading pants for extra warmth. Made in a Fair Trade Certified™ factory. The Yulex® Wading Socks is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Patagonia Yulex® Wading Socks in Black, XL - Short Length - Recycled Polyester/Nylon