The Trainer I Monofin is made with a long, flexible fiberglass blade that is designed for more serious swimmers and triathletes.

The Trainer I Monofin improves body balance, strengthens the core muscles and is a vital drill tool.

Monofins are great strength training tools to develop a smooth and powerful butterfly kick that is generated from the hips, not the knees.

Monofins work the abs, lower back, quads and gluteus, while improving flexibility of the feet and ankles.

Strong Kick Develop a powerful dolphin kick that is generated from the hips

Strength Training Work core muscles including abs, lower back, quads and gluteus

Flexibility Increase range of motion in the feet and ankles Made for Advanced Swimmers

Designed for more experienced swimmers and triathletes Long Fiberglass Blade

Aids in lengthening stroke and improves body balance