FEATURES + BENEFITS Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts.Surround wrapping upper structure reduces overlap and provides a glove-like fit.Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions.Ultra-rigid, lightweight carbon fiber reinforced midsole.Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort.Dual independent BOA® L6 dials allow quick, micro tension adjustments.Adjustable powerzone lace guide securely holds forefoot.Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.SIZEStandard:38, 39 - 47 in half sizes, 48, 49, 50