Quite possibly the most comfortable socks you'll ever wear, the 5.11 Tactical 9in Sock Level 1 59048 is designed to accompany all of the boots made by 5.11 Tactical. Constructed with multiple zones of compression and fabric blends for increased blood circulation, heat reduction and moisture wicking, these Tactical Socks designed and manufactured by 511 are an integral part of 5.11's footwear Shock Mitigation System. In combination with any 5.11 Boot, the 511 Level 1 Socks 9in rounds out a system that greatly enhances the protection of your feet. With these 5.11 Tactical Socks, your feet will stay dry and comfortable and allow you to move quickly and easily in any situation. Designed to last with a combination of Coolmax, nylon, spandex and rubber, the 5.11 Tactical Regular Thickness 9in Level 1 Socks hold up to repeated washings.