What Our Gearhead(R) Experts Are Saying:"These lightweight bottoms are perfect for keeping little ones comfortable in and out of the water. The stretchy, quick-drying Capilene Silkweight fabric moves with them while offering UPF 40+ sun protection. Whether they're playing at the beach, riding in a carrier on a sunny hike, or just lounging at home, these leggings are soft, breathable, and built for all-day wear."The Patagonia Capilene Silkweight Bottoms are a go-to layer for little adventurers who love to explore from sand to summit. Whether they're splashing in the tidepools, crawling along the trail, or taking an afternoon nap in the shade, these leggings provide lightweight comfort with breathable, moisture-wicking fabric. Designed with movement in mind, they feature a stretchy, recycled polyester-spandex blend that dries quickly and offers built-in UPF 40+ sun protection. A soft, elastic waistband and flat-seam construction ensure chafe-free wear, while reinforced knee patches add durability for those first outdoor steps. Ready for every sunny outing, these bottoms are built to move as fast as they do.