Decreases drag on the upstroke; enhances thrust on the downstroke.
Secures strap for ease of pre-dive preparation. The Scubapro Jet Fin XL is for normal Neoprenboots or DUI Turbosoles for Maximum size 42! The next bigger Fin is the Divesystem fin,next bigger is Turtlefin and the biggest is Scubapro Jetfin XXL. Bootpocket-Size: Broadness: 110mm, Height: 80mm and Length 220mm. Please contact us before you order if doubt about size you need!
Optional, the really small Jetfin L! That Fin with the size Large is really small, for bootsizes 35-38, extrasmall!