High performance trail-conqueror. All new Flume combines advanced off-road footwear technology with bike-specific performance to offer a trail flat shoe that's designed to outlast the biggest epics. Flume BOA® uses the BOA® Fit System for a fast, effortless and precise fit with strong, flexible and low-friction textile TX4 Laces. The Cordura® upper is breathable and lightweight, but also trail-tough and protective with a stitch-free and fully welded construction. The new adaptable outsole has a supportive pedal contact area featuring our MAX GRIP rubber for a confident connection with the pedal when charging the trail ahead. Compliant reverse hex traction in the toe and heel make easier work when hiking becomes necessary. FEATURES MAX GRIP rubber outsole. Hexagon outsole featuring reverse hex traction pattern on toe and heel for hike able climbs and descents. D3O® High Impact Zone Technology insole absorbs impact and reduces fatigue. BOA© Fit System with flexible, low-friction textile TX4 Laces, expertly configured for performance. Hook and loop strap for additional forefoot adjustment. Lightweight bonded upper featuring Cordura® mesh for durability and breathability. Anti-bacterial mesh lining controls odor. TPU mud guard to protect against dirt, debris and rubbing. TPU toe and heel protection with reinforced anti-abrasion film. Fully gusseted tongue prohibits intake of dirt and debris. EVA midsole for extra cushion and support. Heel pull tab for easy entry. WOMEN'S US EU UK CM 5 35 3 22 5.5 35.5 3.5 22.5 6 36 4 23 6.5 37 4.5 23.5 7 37.5 5 24 7.5 38 5.5 24.5 8 39 6 25 8.5 39.5 6.5 25.5 9 40 7 26 9.5 41 7.5 26.5 10 41.5 8 27