If your little one loves to stay active and explore, the Patagonia Toddler's Long-Sleeved Capilene Silkweight T-Shirt is there to help them develop their enjoyment of nature. That's because this ultra-cozy, soft shirt offers UPF 40+ sun protection for your peace of mind, along with stretch fabric and flat seams for irritation-free comfort from the beach to the playground and wherever else they love to roam.