Grubs Explore Boot is a revolutionary fitness walking boot featuring a 100% Waterproof HYDRI-FUSE™ upper and VIBRAM RGS Hiker sole for support on all types of surface. These inspiring boots are lightweight, warm breathable and waterproof designed for comfort protection and good looks with outstanding grip. The Explore has a Rip-Stop outer with a Derby lacing system with a cushioned sole and an athletic fit that ensure support and great traction. Made from Diamond RIP-STOP Upper for abrasion resistant tough outer material Underfoot the 6mm NITROCELL footbed provides a soft cushioning for an athletic snug fit HYDRI-FUSE lining is breathable hardwearing and wicks the moisture away from your feet with anti foot rot and odour treatment Unique FUSED overlays protect and stabilise the foo HYDRO-FUSE comfort and breathability Comfort rating from 0°C to +25°C New VIBRAM RGS Hiker Grubs Explore Walking Boot