Altra Superior 1.5 Zero Drop Trail Running Shoes Get rugged stability and a refined fit with the Superior 1.5 trail runner from Altra. Textured running shoe featuring logo applique at outer side, toe guard, and lace-up vamp. ZeroDrop platform with 0mm heel-to-toe drop. GaiterTrap Technology. Natural Ride System. Removable StoneGuard rock protection system under the footbed. Dual-layer EVA midsole with A-Bound. Style: A2452-2 Color: Blue/Black US Women's Size 10 UK 8 EUR 42