- Fit: Snug fit - Recycled Fabric: Recycled polyester elastane blend fabric - UV Protection: UPF 50 sun protection - Chlorine-resistant properties - Moisture-wicking properties Heats Omni - Long Sleeve UPF 50 Rash Vest for Boys 2-7. Features include: Fit: Snug fit. Recycled Fabric: Recycled polyester elastane blend fabric. UV Protection: UPF 50 sun protection.- - Fit: Snug fit - Recycled Fabric: Recycled polyester elastane blend fabric - UV Protection: UPF 50 sun protection - Chlorine-resistant properties - Moisture-wicking properties Heats Omni - Long Sleeve UPF 50 Rash Vest for Boys 2-7. Features include: Fit: Snug fit. Recycled Fabric: Recycled polyester elastane blend fabric. UV Protection: UPF 50 sun protection.