Milliard Aquatic Fitness Webbed Swim Training Gloves for Increased Water Resistance to Strengthen and Tone Muscles, Swimming Exercise Glove Pair TONES AND STRENGTHENS UPPER BODY MUSCLES: Great excirsize for the Medial Deltoid & Obliques. These Swim Gloves provide increased resistance in water for greater toning and strengthening of muscles and cardiovascular exercise for your heart and lungs. Easy slip-on and secure fit with adjustable velcro wrist strap Increases propulsion through water: Swimming with water gloves pushes more water with each stroke and increases propulsion and the speed of forward movement. Neoprene gloves for water resistance and perfect fit.