Folding Fins®The travel fin that doesn't compromise. Folds 3 smaller, weighs 1. 6 kg yet matches the propulsion efficiency of leading professional dive fins in peer reviewed testing (Piskur 2022). These specialized, lightweight fins can be folded in half lengthwise to create a travel ready package. They can be redeployed for diving within seconds. The blade's flexible, durable membrane was inspired by fish fins. The small fins pack more power than you'd expect,