Topo&';s zero drop, cushioned trail runner returns with the same fit and stack height you love, now with updated ZipFoam(TM) midsole formula for a softer, more responsive, and lighter ride. The VibramA(R) Megagrip outsole delivers best-in-class grip and durability to inspire total confidence on the trails. Topo has added their specialty FKT Insole to allow for quick drainage in wet conditions and a tightly woven, durable recycled mesh upper, so nothing slows you down. Specs Stack height: 28mm Heel to toe drop: 0mm Weight: 10.5oz (M9) Gaiter compatible: Yes Rock plate: No Cushion: Medium Performance: Balanced Support: Neutral