Product Details + Light, breathable synthetic upper with PU overlays in high abrasion areas for added protection & durabilityPull loops on heel & tongue for easy on/offAnti-fatigue, molded Contoura Support footbeds with shock-absorbing foamFull-length Charged Cushioning midsole for the ultimate in lightweight, shock-absorbing comfortDurable Vibram XS Trek outsole is responsive on unpredictable terrain with great flexibility & wet tractionFast-rope compatible arch resists wear from ladders & fast-roping