- Triathlon shoes combine outstanding fit and performance technology. ■ A seamless midsole and upper structure are integrated into a lightweight design to improve fit, stability and performance. ■ Low stack-height midsole provides underfoot stability and maximizes power transfer efficiency. ■ T1 quick strap and wide opening make it easy to put on and take off, reducing transition time. ■ Asymmetrical heel loop for easy gripping so you can quickly wear shoes in transition. ■ 3D mesh with excellent breathability and quick drying properties. ■ Lightweight fiberglass composite nylon sole. ■ Highly adaptable cup insole. ■Last type (foot type): SHIMANO DYNALAST ■Sole rigidity: 6 ■Cleat: SPD-SL compatible (not for use with SPDs) ■Color: White ■Size: 36-46 (without half size) ■Reference weight: 8.6 oz (247 g) (Size 42) ※Cleats are not included.