For little kids size 5-13 A-grade Australian Sheepskin Wool lining Please refer to size chart image Even the littlest feet deserve extra warmth and comfort! Your little ones will love these boots, with a plush wool interior and smooth suede exterior, the Byron Toddler boots ensure optimal comfort. Made from genuine, A-grade Australian sheepskin, these boots are improved with a leather suede lining around the stitching for added reinforcement and longevity of the boot. The Byron Toddlers are also fitted with a light, flexible EVA/Rubber sole unit. Size Guide: Please note this Toddler size shoe fits 1 size small, so select at least 1 size larger than your toddler's usual size. Please refer to the size chart button below for further information.