Darn Tough Swirlwind OTC Lightweight is an over-the-calf sock designed for skiing and snowboarding, with a length that covers the leg all the way up to just below the knee. The close fit eliminates slipping and bunching, providing a comfortable feel inside boots throughout the day.

The sock features a reinforced heel pocket that reduces heel lift and delivers a better fit and durability season after season. The toe seam is constructed using True Seamless™ technology for a smooth, imperceptible feel.

The natural properties of merino wool transfer warmth and moisture, keeping feet warm and dry in varying conditions. The lightweight construction offers optimal breathability and temperature regulation, making it perfect for long days on the slopes.

All socks are produced at Darn Tough's own factories in Vermont, USA, using carefully selected quality yarns from around the world, and are built to last.