Merino Wool Grotto Mid Sock 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. size small new with tags no flaws