This is the Aqua Lung Rocket Fin with Quick Release BucklesFeatures: One of the first vented rubber fins sold in North America and popular among military and professional divers All-rubber construction is compact, and ultra-rugged for use in harsh environments Available with either traditional fin straps and buckles or quick-release buckles One of the first vented rubber fins sold in North America and popular among military and professional divers All-rubber construction is compact, and ultra-rugged for use in harsh environments Available with either traditional fin straps and buckles or quick-release buckles Loved by traditionalists, the Rocket sports a classic vented blade that many divers still swear by. The classic all-rubber design is nearly indestructible and available in a standard version and one with an updated foot pocket. "