Adjustable airflow resistance with 7 damper settings (low to high) stimulates pulling through water accurately

and does not provide resistance

The durable polycarbonate lens provides a clear view while a rubber head strap secures nicely so you can swim with ease

you can spend your day soaking up the sun as you relax on the water

Materials: 100% Silicone

SPRI Xertube mens-thermal-rash-guards-21063 Adjustable airflow resistance with 7Diversify your workouts and target specific muscles with ease using the SPRI Xertube. With progressive resistance levels ideal for all fitness levels, this versatile tool is perfect for group exercise, personal training, and travel. The heavy duty, high quality tubing resists tears and abrasions for long lasting use. Features Total body conditioning. Isolate target muscle groups through full range of motion. Lightweight, durable construction. Padded