Fins Bio Fin Pro With Rubber Strap from $219.00 View Options Bio-Fin Pro With Spring Strap from $269.00 View Options Rubber Strap [Pro] $29.00 Out of Stock Select Color Black Gray Add To Cart Spring Strap Kit from $99.00 Select Size 250mm | 10" 275mm | 11" 300mm | 12" 325mm | 13" 350mm | 14" Add To Cart Parts | Spring Strap from $15.00 Select Part Heel Protector (1) Mounting Hardware (full set for pair) Spring (1) 250mm Spring (1) 275mm Spring (1) 300mm Spring (1) 325mm Spring (1) 350mm Spring (1) 375mm Add To Cart Bio Fin Pro XT w/ Rubber $329.00 Select Size M L XL Add To Cart Bio Fin Pro XT w/ Spring $359.00 Select Size M w/ 300mm Spring L w/ 300mm Spring XL w/ 325mm Spring Add To Cart
![Rubber Strap [Pro]](https://images.squarespace-cdn.com/content/v1/64a4e770922cbf53e123ece9/1689554056798-B6WPC2CS9L062UM06N5W/finstrap_main.png)
