Merino Wool Mid Sock is a thermoregulating sock designed for bouldering, hiking, rock approaches, and trail use, built as a breathable Merino-blend layer with targeted cushioning for technical comfort. Product Type: Unisex thermoregulating socks Material: Wool blend Weight: 48g Ultra-fine yarns blend Merino wool with nylon for added durability Construction delivers a supportive fit that aligns with the fit of Arc’teryx shoes to help prevent slipping and bunching Mid-height collar provides protection and helps seal out trail debris Pair with men’s hiking shoes or men’s trail running shoes for trail approaches. Light, soft, and breathable, these socks give you targeted cushioning, technical performance, and natural comfort on runs, hikes, and approaches. Ultra-fine yarns blend Merino wool – a material known for natural odour resistance and thermal management – with nylon for added durability. The construction delivers exceptional fit, support, aligns with the fit of our shoes, and helps prevent slipping and bunching. The mid-height collar provides protection and helps seal out trail debris.