EMU Australia Baby Bootie (Infant) 100% Suede Rubber sole Shaft measures approximately 3.5" from arch Platform measures approximately 0.25 inches Boot opening measures approximately 9" around Premium Australian suede and deluxe Merino wool Merino wool breathes and keeps your feet perfectly warm in winter and cool in summer Plush exposed topline Velcro closure for snug, easy fit Superior double stitched seams for added strength