The Patagonia Baby Capilene Silkweight Bottoms are a lightweight, high-performance layer designed to support your little one's every movementfrom sunny stroller rides to splashy beach play. Crafted from soft, stretchy fabric made with 84% recycled polyester and 16% spandex, they offer outstanding breathability, moisture-wicking comfort, and built-in 40+ UPF sun protection. The elastic waistband ensures a gentle, secure fit that stays in place without digging in, while the gusseted inseam promotes full range of motion. Flat-seam construction reduces chafing and irritation. Whether you're packing light for travel or planning all-day outdoor adventures, these durable leggings are made to moveand made to lastwash after wash.