Perfect sun protection for your favourite little dude. :: Boy > Rash Vests. Fabric composition: 85% polyester. 15% elastane4-Way Stretch Fabric: Provides unhindered movement and total comfortOdour Resistance: Supplies a greater level of hygiene and freshnessFlatlock seams for comfort and breathabilityNeoprene Waistband: For a truer fit that won't ride upSPF 50+ UV protectionSuper stretch lycra construction Size: 10-11 YRS,14-15 YRS.