• Innovative "water exhaust" drainage system

Neoprene cushion Buckle strap to allow for extra comfort and improved tightness for those with smaller feet

Yes—they layer comfortably under standard bodyboarding swim fins

not the bottom

Yucca Ultra Soft Flex Short Blade Swimfins - Delori mount • Innovative "water exhaust" drainageThis fin has a ton of flex and pop for all day comfort. Soft rubber with full length rails that provide support allow the Ultra Softs to be dynamic and adapt to the wave. My personal go to flex. Designed by Sean Starky. FLEX INDEX Standard Flex Thrust Feel Soft Flex Thrust Feel Super Flex Thrust Feel Ultra Soft Flex Thrust Feel SHOE SIZE TO FIN SIZE GUIDE SHORTBLADE SIZE MEN WOMEN XS 3 4 5 6 S 5 6 7 8 M 7 8 9 10 ML 9 10 11 12 L 10 11 12 13 XL 11 12 13