Scott SMU Road RC ShoesThe Scott SMU Road RC Shoes are primed for pure speed and produced with elite, racing-oriented riders in mind. They feature a matte finish with an asymmetric welded microfiber and mesh conforming upper for maximum comfort. Dial in the fit with the dual-zone Boa(R) IP1 lacing system, which allows fly adjustability in two separate segments. The ErgoLogic insole features an adjustable arch support and metatarsal button for optimal support and everlasting comfort. With a stiffness index of 10, you're more than set for maximum pedaling efficiency.FEATURESdual-zone Boa(R) IP1 lacing systemallows on-the-fly adjustability in two separate segmentsErgoLogic insolefeatures an adjustable arch support and metatarsal button stiff HMX Carbon fiber solehas a stiffness index of 10SPECIFICATIONSUpper MaterialLightweight Microfiber, 3D Nylon AirmeshClosure TypeClosure system with Boa IP-1OutsoleHMX Carbon, Sticki Rubber / Stiffness Index 10Intended UseRoadSpecial FeaturesAdjustable ErgoLogic removable insoleScott Men's Shoes Size ChartUSA5.56.5788.59.5101111.512.513EUR3839404142434445464748 | Scott Road RC Men's Road Bike Shoes Matte Black/Gloss Black, 39 Size 39