Moisture-Wicking, Odor-Free Merino Blend Wool Performance. The Freewheel MTB Lightweight Crew Sock is built for comfort and performance on long days in the saddle, whether pedaling singletrack, gravel, or road. Made with a wool/nylon blend, the Freewheel Lightweight Crew Socks focus on moisture-wicking and breathability, providing performance and comfort while remaining odor-free thanks to the natural properties of merino wool. With targeted cushioning, a reinforced heel and toe, and a 7" height, these socks keep feet cool and comfortable, whether lapping the bike park or grinding miles on gravel. Constructed for all-day performance, the Freewheel MTB Lightweight Crew Sock keeps feet dry, comfortable, and odor-free during active use on the trails.