Sizing: Standard running shoe lengthHeel: MediumMidfoot: Medium volumeForefoot: Medium to wideToe-Box Height: Medium to lowArch Structure: MediumShoe Shape: Semi-Straight The Altra Lone Peak 3.0 is 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.