Defeet Woolie Boolie 6" Logo Socks (RWS Certified) Renowned as DeFeet's cushiest sock, the Woolie Boolie Socks provide wool-rich warmth and padded comfort to help keep your feet protected when temperatures drop. The 6-inch crew design offers a secure, comfortable fit, while the durable construction makes these socks equally suitable for cycling, outdoor activities and everyday wear. RWS-certified versions contain 70% Responsible Wool Standard-certified wool, with the certification supporting responsible sheep and land management, animal welfare and worker welfare. DeFeet manufactures its products sustainably through a local supply chain, with wool goods made from USA-grown Merino travelling from Oregon to the Carolinas for processing and knitting. RWS-certified wool has complete traceability through the supply chain, from the ranches where it is grown to the retailer, and comes from Shaniko Wool Company and RWS-certified family-owned ranches in the Western United States. Backed by DeFeet's five-year warranty, the Woolie Boolie 6" Logo Socks are built to deliver lasting warmth and comfort ride after ride.