Features:Ultra Lightweight Performance Based Road ShoePU laminate over mesh upperLi2 BOA Fit SystemR2 outsole full carbon unidirectional, stiffness index 10 The Fizik Tempo Decos Carbon Shoe uses a minimalist design with sleek uppers utilizing a resilient polyurethane-laminated material combined over a comfortable mesh, resulting in reduced yield and providing long lasting foot support. The fit is quickly fine-tuned with a single bi-directional Li2 BOA dial. The R2 outsoles engineered carbon fiber layup saves weight and delivers increased stiffness. With a stiffness index rating of 10, this outsole the most responsive in the Fizik range. A wide vent inlet and deep internal channeling provide cooling airflow, aiding in temperature regulation. The cleat positioning is set slightly further back compared to traditional settings to optimize pedaling efficiency and reduce knee compression. This is well-suited for very aggressive, forward aero positions. These super light shoes weigh about 288g each, also check for the Wide version. This is the standard version. Available in Black/Black, White/White, Iridescent Blue, and Aubergine.