The Trainer 1 Mono Fin is a must-have for advanced swimmers looking to improve their technique and build strength. Its long, flexible fiberglass blade aids in body balance and promotes a smooth, powerful dolphin kick. Perfect for triathletes, this tool targets core muscles and increases ankle flexibility. Features: Develops a powerful, hip-generated dolphin kick Designed for more experienced swimmers and triathletes Builds core muscles including abs, lower back, quads, and gluteus Aids in lengthening stroke and improves body balance Increases range of motion in feet and ankles Care Instructions: Rinse in cool, non-chlorinated water after each use Leave to air dry on a towel Please avoid leaving in direct sunlight for extended periods, as it may damage the material Sizes:Medium: Men's 6.5-8 / Women's 7.5-9Large: Men's 8.5-10 / Women's 9.5-11X-Large: Men's 10.5-12 / Women's 11.5-13
