Sizing: Standard running shoe lengthHeel: MediumMid-foot: MediumForefoot: MediumToe-Box height: MediumArch Structure: MediumShoe Shape: Semi- Curved The North Face Ultra TR II is a versatile, neutral trail running shoe best suited for hard trail surfaces. It can be a race day option for 50 and 100 mile distances or daily work horse for light, efficient runners.