Giro Treble Road Shoes Injected nylon outsole offers a rigid, stable and efficient pedaling platform Precision Fit last hugs the foot closely without binding, crowding or discomfort High quality, microfiber upper is breathable, supple and water-resistant Molded EVA footbed with medium arch support for comfort Aegis footbed treatment uses an antimicrobial barrier to eliminate odors, discoloration and fading