Details: Inspired by Bill Bowerman's service in the 10th Mountain Division during World War II, the Nike SFB 6" of nike Boot was designed as a modern athletic boot for first responders. Bowerman's experience traversing rough, rocky terrain and his tireless development of groundbreaking athletic shoes resulted in a boot that offers lightweight yet ultra-durable comfort.Learn moreEXCEPTIONAL COMFORT FOR TACTICAL MANEUVERSBenefits Waxed canvas upper for lightweight breathability Premium leather overlays for durability and comfort Phylon midsole provides lightweight cushioning Rubber outsole has an aggressive traction pattern for multi-surface grip and durability Internal rock shield helps protect against punctures and decreases pressure on the bottom of your foot Dynamic Support technology provides lightweight stability 6" collar for additional ankle support...The Nike Shoes more colors