Size 2/3 (6-12 Months) A Customer Favorite, The Bixbee Bootie Wraps Your Baby's Foot In Super-Soft Terry Cloth While Silicone Tread Helps With Their First Steps. Cozy And Adorable, The Bixbee Is Also Machine Washable For Easy Cleaning. Fleece Or Mix Fleece (51% Recycled Polyester, 49% Polyester) Upper Hook-And-Loop Closure Fleece Or Mix Fleece Lining (51% Recycled Polyester, 49% Polyester) Microfiber Outsole With Slip-Resistant Rubber Print 2.25" Shaft Height Machine Washable Woven Label With Ugg Logo