Weight per pair: 2.75 lbs. Exclusive dual density VIBRAM outsoleeasily handles a broad mix of terrains. Lightweight TPU shank supports the foot while protecting against rocks and road hazards. Molded toe cap protects the foot and the shoe. Reflective safety details. Microfiber collar lining. Comfortable, removable, contoured footbed. Extremely breathable synthetic tongue and upper cushIoning. Dual-density midsole with a 3D counterbalance keeps feet stable while running or jogging. XCm seamless upper design with heat seal overlays decreases the chance of blisters. Ion-mask nano-technology surface enhancement repels water and lets materials dry quickly and remain breathable. Seamless Upper Zone Engineering (S.U.Z.E.) upper design mixes weave patterns to mold to the contours of your foot.