FINIS Thermal Swim Shirt - Women's, Kid's, and Men's High-Quality Swim Shirt for Lap Training or Outdoor Swimming - Swim Gear for Pool Accessories - Youth, Small

Heat-Trapping: Traps body heat with its Nobel Prize winning Polyolefin fibers Conforms To the Body: Allows for a full range of motion during all four swim strokes Wear this shirt repeatedly to build strength and endurance in the water Durable: Fade-resistant material; machine-washable swimwear Increase Endurance: Wear repeatedly while swim training to build strength and endurance in the water