The Mount to Coast R1 is an innovative running shoe offering consistent comfort with a customizable fit over longer distances NEW IN BOX The Mount to Coast R1 is one of the first running shoes specifically designed for ultramarathon training and racing. But regardless of your running experience or intentions, the R1 has plenty to love and translates well to a variety of road running. Best For - Long-distance / multi-day road races Weight (US M9) 8.5 oz / 240 g Drop (Stack Height) 8 mm (Heel 35 mm, Forefoot 27 mm) Width -Wide toe box Midsole - LightCELL™ base + ZeroSag™ inserts Lacing - TUNEDFIT™ Dual Lacing System Upper - Double-layered jacquard, 40% recycled polyester Features & Benefits TUNEDFIT Dual Lacing System offers customized lace adjustment in the forefoot and midfoot separately Dual-zone ZeroSag midsole inserts add exceptional energy return and cushioning Nitrogen-infused LightCELL midsole returns more energy with less weight than traditional EVA GOFLOW midsole geometry helps guide each step for a natural-feeling stride Double-layered jacquard upper secures the foot with a soft and breathable fit Upper made with 40% recycled polyester CPU outsole helps add traction while remaining lightweight Recognized with APMA Seal of Acceptance for promoting good foot health