Built for ski touring and cross-country boots the Darn Tough Oslo Nordic Boot Lightweight with Cushion Women's Sock has additional cushioning surrounding the toe paired with two crossing cushion lines over the top of the foot for a comfortable, yet precise, boot fit. 1x1 ribbing in the shank and cuff keep these smoothly fit into the boot, with no slipping, bunching, and consequently, no blistering either. Breathable mesh zones help keep moisture wicking away so your foot stays comfortably warm. Finally, a sock designed specifically for Nordic skiers with the mid-calf height suitable for cross-country boots, and the support and breathable mesh skiers need to stay comfortable, whether they’re out for a day of casual touring, or doing trailing laps around the trails.