Sizing: Fits large; purchase 1/2 size smaller than standard running shoe sizeHeel: MediumMidfoot: Medium volumeForefoot: Medium to wideToe-Box Height: MediumArch Structure: MediumShoe Shape: Semi-Curved The Altra Lone Peak 3.0 NeoShell adds water resistance to Altra's most versatile trail shoe. It has enough cushioning for ultra distance running, versatile traction for loose and rocky terrain, and a zero-drop platform for a level and stable foot position.