Our racebelt comes with drawstrings to hold your race number and any gels in place, securing them horizontally, to keep them from bouncing around or being lost. With the adjustable central strap, it fits perfectly to any waist size. A must-have accessory for every triathlete.HighlightsMaterials: Polyester / Plastic / Elastane,Technicality: Very comfortable and convenient, the belt has a cord system to hold any race number securely in place, along with four elastic straps to hold your gels.,Security: Central strap with adjustable fastening.