C1 Women's Size:10.5 The Darn Tough Men's Micro 400000005669 Size:US 8.5 / EU 40 the office foot

The Darn Tough Men's Micro Crew UltraLightweight Cushion Socks combine a cushioned feel with a durable design to keep your feet comfortable and protected throughout the miles

82% Polyester + 5% Spandex +8% Nylon + 2% Rubber Wire

This first of its kind design

Compatible with other Packs/Vests: Pinnacle 4L

then consider the Primal Zen its heir apparent

C1 Women's Size:10.5 The Darn Tough Men's Micro 400000005669 Size:US 8.5 EU 40 the office foot The Darn Tough Men's Micro Crew UltraLightweight Cushion Socks combine a cushioned feel with a durable design to keep your feet comfortable and protected throughout the miles 82% Polyester + 5% Spandex +8% Nylon + 2% Rubber Wire