Orca Race Number Belt Orca's carefully crafted range of gear accessories is designed to assist you to go further faster with functional extras that exceed your expectations. Orca takes care of the small details so you can focus on the big ones  like completing that race! MATERIALS Polyester/Plastic/Elastane. TECHNICAL Strategically placed toggles to hold race number and four elastic loops to hold gels. SECURE Adjustable center back clasp buckle. STYLISH Features the striking Orca logo and design.