The Olive Block KOM sock, (short for 'King of the Mountain') is designed to be a performance sock for all of you trail heads who have one speed... "lightning fast". It's our ideal sock for any kind of cycling, mountain or road because they have no cushion and are designed with a vapor wicking weave that cools your feet off as they heat up. If you prefer a thinner sock with that next to skin feel, these are your go-to's. Mid crew length with some decent stretch. Guaranteed for a million miles. Crank away in style. Two sizes, (S-M : Womens 6-10, Men's 5-8  |  L-XL:  Women's 10-13, Men's 8-12) Unisex.