Darn Tough Men's Oslo Nordic Boot Lightweight Sock Size:M Design and craftsmanship proven in

Design and craftsmanship proven in our Pro Series is used to optimize the fit

Forward Lean

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while Thermoflex on the back of the thighs gives extra stretch for the renowned Castelli fit

Testing your limits and breaking your records can now be done in total comfort with this essential baselayer

Darn Tough Men's Oslo Nordic Boot Lightweight Sock Size:M Design and craftsmanship proven inThe Oslo Nordic Boot sock appreciates the details of comfort while you appreciate the world of touring on snow. Additional cushion surrounding the toe is complimented with two crossing cushion lines over the top of the foot for a comfortable, yet precise fit. Plenty of breathable mesh if you're going the distance. Just remember, you measure in kilometers now. Features: Height: Nordic Boot Weight: Lightweight Pair with: Cross country ski boots, winter