HOKA ONE ONE Mens Arahi Running Shoe Synthetic Rubber sole 3D Puff Print Frame - Lightweight and offers a secure fit. Padded Tongue - Padding to help prevent chafe and discomfort. Air Mesh - Allows air to permeate the exterior providing breathability. Meta-Rocker - Helps for accurate roll through the gate cycle. J-Frame - Designed to enhance the active foot from and offer support and protection.