Hoka One One Mens Bondi 4 Road Running Shoe,Grey/Citrus/Cyan Lycra ComfortFrame, 8.5 D(M) US fabric Size: 8.5 D(M) US, Lycra ComfortFrame Upper TPU External Heel Counter Provides Support Early-stage Meta-Rocker Provides Propulsion - Flat-waisted Geometry Provides Inherent Stability Full EVA Midsole Provides Signature Bondi Cushioning 10 Deg Heel Bevel Provides Smooth Heel Transition - Strategic rubber placement provides durability