The On Running Cloudrock Waterproof speed-hiking boot was built for traction, pace, and protection, and is 35 percent lighter than traditional hiking boots so you can tackle the mountain with absolute comfort. Training shoes built for mixed and trail surfaces with neutral stability and moderate cushioning. Durable upper membrane is wind and waterproof with dual mesh in the mid and forefoot for enhanced stability and breathability. Padded high collar and tongue that is lightweight and flexible. Swiss-engineered FlexLock system allows traditional lace-up closure with a single pull. CloudTec speedboard promotes the natural rolling motion of the foot and facilitates efficient energy transfer from landing to take-off. 360 degrees mudguard delivers increased protection. Missiongrip traction patterns and zig-zag channels are combined with flatter details that prevent slipping on smoother surfaces. Ultralight Zero-Gravity Clouds advanced-abrasion pads provide superior grip and increased longevity. Heel/Toe Offset: 7mm Imported. Please note that ONLY the On Cloud 50/50, Cloud Terry, and Cloud running shoes feature an extra pair of conventional laces, along with the On Cloud easy-entry speedlaces. Measurements: Weight: 14.8 oz Product measurements were taken using size 8.5, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.