This two-sock system prevents blisters on long trail days. The CoolMax liner wraps each toe to eliminate friction and wicks moisture away from the skin. The NuWool Hiker sock provides heavy cushioning on rocky, uneven terrain. The wool-synthetic blend regulates temperature across conditions. Sock-on-sock movement protects skin from hotspots and chafing. Crew height ensures full coverage inside taller hiking boots. Nylon and Lycra maintain structure and fit over long miles.