THE POWER OF SIMPLICITY Clean, modern style and a versatile, supportive form make the Treble II a popular choice for everything from spin classes to centuries. The upper is made of supple synthetic and adjusts quickly and precisely with three wide straps, while an Aegis anti-microbial EVA footbed keeps you comfortable on longer rides. The stiff, injected nylon outsole is outfitted with our new Universal Cleat Mount system that accommodates both three-bolt and two-bolt cleat/pedal systems. Specifications Upper High-quality, breathable synthetic fiber; Classic 3-strap closure Outsole Injected nylon with Universal Cleat Mount (2 or 3 bolt) Footbed Molded EVA footbed with medium arch support; Aegis anti-microbial treatment Weight 290 grams (size 42)