Original Kids First (18 Months-8 Years) Black Insulated Nylon Boot Size/Fit Summary: True to size, Regular fit. The Kids First Insulated Nylon Boot is the ultimate cold-weather solution for toddlers and young children who refuse to let the snow stop their play. Combining the robust, waterproof foundation of a Hunter Wellington with a flexible, quilted nylon upper, these boots offer heavy-duty thermal protection without the heavy bulk. In a classic matte Black, this boot is a versatile winter essential that keeps tiny toes toasty during frosty morning walks and snowy backyard adventures. Pro Tip: If your child is in-between sizes, has a wider foot, or plans to wear an extra-thick Hunter Kids' Boot Sock, we recommend sizing up to ensure maximum warmth and comfort.