evo.com | Patagonia T-Shirts > The Patagonia Baby Long-Sleeve Cap SW T-Shirt is that lightweight layer that actually works whether your little one's splashing in the water or just hanging out on dry land without overheating either way. UPF 40+ Sun Protection UPF 40+ Sun Protection Capilene(R) Silkweight 4.3-oz 84% Recycled Polyester / 16% Spandex Jersey Regular Fit Neither slim nor oversized. Fair Trade Certified(TM) Sewn | Kid's Patagonia Baby Long-Sleeve Cap SW T-Shirt Infants' 2026 - 12M Green | Spandex/Polyester/Silk