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: 

1. Rinse in cool, non-chlorinated water after each use
2. Leave to air dry on a towel
3. Please avoid leaving in direct sunlight for extended periods, as it may damage the material

Sizes:
Medium: Men's 6.5-8 / Women's 7.5-9
Large: Men's 8.5-10 / Women's 9.5-11
X-Large: Men's 10.5-12 / Women's 11.5-13