Montrail Mens Fluid Fusion Outdry Waterproof Multisport Trail Shoe 100% Mesh Imported Synthetic sole Lightweight waterproof shoe blending the aspects of trail running and multisport Mesh body construction with seamless skeletal frame for fit, support and lightweight protection Out dry waterproof breathable construction Ride heights 20 millimeter heel and 10 millimeter forefoot Fluid foam midsole with trail stability provided by fluid frame technology