IST SUMI Long Scuba Diving Fins

Efficiently EngineeredThe IST SUMI Fins are specially designed with materials of varying flexibility to create the best performing product available. The blades are constructed of a semi-hard material to provide stiff resistance that maximizes power while still allowing give and flexibility. Ribbing is extra-hard material to channel water and increase efficiency. The foot pocket is made for incredible comfort with super-soft material that's snug and doesn't weigh you down.Ultra-PowerfulWith performance at the forefront of the design process, the SUMI Fins are made to enhance your diving experience by providing support and amplifying kick power. The blades are fashioned exactly 22 degrees from the line of the foot, ensuring premium thrust and propulsion.Multi-FunctionalWhether you're spearfishing or scuba diving, these fins provide premium quality so you can focus on having fun. Speed, power and mobility — these fins give you everything you need for an incredibly memorable experience.

• MULTI-MATERIAL DESIGN — Blades are constructed with varying hardness for maximum performance.
• MULTI-MATERIAL DESIGN — Blades are constructed with varying hardness for maximum performance.
• BETTER PROPULSION — 6 blade channels propel water for extreme kicking power.
• CONVENIENT FIT — Adjustable straps, quick-release buckles & extra-large thumb loops.
• EFFICIENT ANGLE — A 22° blade-to-foot angle provides better thrust.
• WEAR WITH BOOTIES — Super-soft foot pocket is designed to be worn with dive booties.