5.11 Socks - Who would have thought that socks could be tactical? These 5.11 socks are quite possibly the most comfortable sock you’ll ever wear, our 9” socks are specificall designed to for all of the boots of the 5.11 Tactical Series® family. If you're on your feet all day, you'll appreciate the construction of the 5.11 sock with multiple zones of compression and fabric blends for increased blood circulation, heat reduction and moisture wicking. And, the 9” sock is an integral part of 5.11’s footwear Shock Mitigation System™. In combination with any 5.11 boot, the 9” sock rounds out a balanced system to protect your feet. These socks are built to keep your feet will dry and comfortable and also allow you to move quickly and easily in any situation.