Mavic Ksyrium Elite Road Shoes - WHITE/BLACK, 11.5 Synthetic Ergo Ratchet for precise adjustment New Ergo Fit 3D OrthoLite? absorbs heel vibration EndofitTM Tongue hugs the foot in just the right places for maximum comfort Energy Carbon Comp Outsole brings the foot closer to the pedal for improved power transfer Weight: 280 grams (size 8.5 UK)