Starry Knight Design shoes are handmade in Montana USA by a team of local women with high-quality 100% leather and suede. Soft and non restrictive for developing feet Soft Elastic band around ankle Great for babies crawling around Perfect for balance when they start standing and walking Suede bottoms help make non slip for floors Size Chart 9 monthsSole length: 4.75"Foot length: 4.2" - 4.5"12 monthsSole length: 5"Foot length: 4.5" - 4.8" 15 monthsSole length: 5.25"Foot length: 4.8" - 5.1" 18 monthsSole length: 5.5"Foot length: 5" - 5.3" STARRY KNIGHT SIZE CHART: measure foot on hard flat surface and add 1/4”(for snug fit) to 1/2” (more room to grow) add a little less for narrow 1/4”-3/8” or slightly more if wider foot 3/8-1/2” to measurement to get correct SOLE LENGTH. Example: If childs' foot measures 4.1"-4.2”on hard flat surface, select size 2 (6months) 4.5" Sole.