fabric soleHeel measures approximately 1 inches"[ High Quality ] - Soft and Lightweight Cotton Fleece Material, Skin-Friendly without any Stimulation to the Skin of Baby.[ Cozy & Warm ] - Soft Cotton Fleece Blend Keeps Baby's Feet and the Ankles Toasty and Comfortable. You can also Lay Socks Under the Booties to Keep Your Little Ones Toes Warmer or more Snug Fit.[ EASY WEAR ] - The Slip-On Closure make Our Baby Booties Easy to Put On,Take Off, Stay on Your Infants'Feet all Day and Won't be Kicked off.[ STYLISH DESIGN ] - The Pretty and Practical Design is Suitable for any Occasions like Walking,Crawling,Family Gathering,Photography,Indoor and Outdoor Playing.Best First Birthday,Baby Shower Gift Idea.[ SIZE TIP ] - The Recommended Age is just for Your Reference,Please Refer to the Size Chart and Measure Your Baby's Feet Before Ordering the Baby Booties.