Performance-enhancing BG contours in the outsole & BG+ High Performance Footbed Light & stiff, full-length FACT carbon midsole New D-link closure system is designed for lightweight, secure ankle control & adjustability Low profile & lightweight M-lock SL buckle for secure closure Durable injection composite outsole for confident traction Engineered Micromatrix upper is light, durable & supple fitting, with welded reinforcement in high wear areas 2-bolt cleat pattern, compatible with all major MTB pedals Ultra-vented tongue for breathability Approximate weight: 385g (1/2 pair 42)