S102 provides resistance for dry-land training for leg abduction, adduction, extension, and flexion, helping to strengthen muscles and improve swimming performance. It can also be used in water for stationary resistance swimming.

Description:
S102 is equipped with two comfortable, adjustable 2-inch / 5 cm wide leg straps connected by two 4-foot / 1.2 m long elastic cords and a combined attachment loop. The product is sold as a single unit — it has no removable parts or replacement components.

Available in 5 resistance levels:

* Resistance is indicated when the cord is stretched 1–3 times its original length.