Waves All Day - Long Sleeve UPF 50 Rash Vest for Boys 8-16. Long Sleeve UPF 50 Rash Vest for Boys 8-16. Features include: Eco-Conscious Fabric: Recycled polyester elastane blend fabric, Technology: UPF 50+ sun protection, Fit: Performance fit, Neck: Crew neck, Sleeves: Long sleeves.