The light weigth hard shell helps with performance and consitency while the alloy buckels can accomenidate your personal fit.Edge one boot$202.00PriceFoot*SelectSize*SelectQuantity*Add to CartSize ChartEdgeSizeFoot Length(in)Foot Length(cm)USSizeEuroSizeEdge Ref4923-24735-36S69.825-26837-38M81026.5-27941-42L1010.827.5-281043XL1211291144-45XXL1411.8301246-47XXXL