ASICS Metaspeed Edge Tokyo Running Shoe The METASPEED™ EDGE TOKYO shoe is our pinnacle racing product, designed for cadence-style runners who are looking to start fast and finish faster. Runners wearing these shoes will be able to increase their speed by increasing number of strides and conserve energy with each step. The newly designed FF LEAP™ foam technology is super lightweight and bouncy. It's strategically positioned in the midsole's top layer to help provide more cushioning and a higher energy return. The bottom layer of the midsole implements FF TURBO™ PLUS cushioning. This configuration enhances the foam's responsive properties while creating better stability so your heel doesn't sink at mid-stance. Thanks to a carbon plate, runners wearing these shoes will be able to conserve more energy while maintaining their pace at the later stages of the race. This property will also help you to kick-through the 30km wall. Sizing based on male shoe size but it a unisex shoe. For female it's 1.5 difference Style #: 1013A163.600 MOTION WRAP™ 3.0 upper A lightweight technical engineered woven material that helps lock the foot onto the shoes platform FF TURBO™ PLUS cushioning This midsole foam is extremely lightweight and bouncier than FF TURBO™ cushioning. It's designed for an even more advanced energy return and cushioning experience during your run. Carbon plate A plate that helps you conserve energy by preventing heel drop while generating forward propulsion. FF LEAP™ cushioning This midsole foam is super bouncy and lightweight. It's designed to help provide a higher energy return and better cushioning under the forefoot area. Curved sole design Helps runners conserve more energy in each step ASICSGRIP™ outsole rubber ASICS proprietary outsole that provides advanced grip on a variety of terrain. Designed For Neutral/Under Pronation Foot Type Normal size arches Push Off There is even distribution from the front of the foot. Considered Injuries Less likely due to effective shock absorption, but neutral runners are not immune to injury. How your foot contacts the ground The foot lands on outside of the heel, then rolls inward (pronates) to absorb shock and support body weight.