Nivia Finz Trainer, Adjustable Swimming Fins, Swim Training Fins for Snorkeling Diving, for Adults (Size - Large, Yellow)

About this item

• ✅ Muscle Activation Mastery - Targets calves, quads, and glutes with every kick—feel the difference in propulsion.
• ✅ Controlled Drag. Maximum Gain - Blends resistance and flexibility for precise movement training.
• ✅ Swim-Ready Fit - Slip-in design that adapts to foot shape and stays put—no distractions mid-set.