Aug 25 Strap Replacement for B300 Goggle WHERE TO BUYFind a convenient online or local authorized retailer near you.or Buy Direct Category: Accessories. Strap Replacement for B300 Goggle Straps are cut long so they can loop around to form a double strap. Replacement straps are available individually or in a set of three. RELATED PRODUCTS Swim Gloves Strap Replacement for Medalist Goggle Strap Replacement for Standard Goggle DeFogger