Our comfortable, durable, Yulex® Wading Socks are made 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. Fair Trade Certified™ sewn. Fair Trade 82% of our line is Fair Trade Certified™ sewn. View Impact Features Great for Wet Wading Minimalist design for wet wading Fit Details Can be worn inside packable waders for increased volume and comfort in boots Supporting the People Who Made This Product Fair Trade Certified™ sewn Country of Origin Made in Thailand. Weight 227 g (8 oz) Materials Exterior: 2mm 85% Yulex® natural rubber/15% synthetic rubber by polymer content Lining: 88% recycled polyester/12% spandex jersey The natural rubber is derived from sources that are Forest Stewardship Council® certified by the Rainforest Alliance Fair Trade Certified™ sewn