Sole material Rubber Outer material Vegan Shearling Closure type Strap WOMEN’S ALL-DAY COMFORT SLIPPERS: Our women’s slippers use our proprietary orthotic insole with premium arch support and heel support that was designed to improve foot and leg alignment and relieve unwanted pain. These slippers are specially designed to pamper your feet. The footbed of these women's house slippers is covered with 100% plush vegan shearling and features an adjustable strap closure for a more secure and perfect fit. FLEXIBLE FOR EVERYDAY USE: A deep heel-cup for stability, ultimate arch support, and ball-of-foot cushioning realigns your stride with these house slippers for women. Reduces stress on feet, ankles, and knees, making them amazingly comfortable for hours of wear, day and night. PREMIUM VEGAN MATERIALS: Feel great about your choice as your feet and legs feel great. REFRESH YOUR SLIPPERS: Glolily slippers can be refreshed with our Glolily Replacement Insoles. These footbeds are designed specifically for use in Glolily Footwear as replacements for the insoles that come with your original footwear purchase. PODIATRIST DESIGNED COMFORT FOOTBED: Glolily footbeds are made of a proprietary double layer dual-density memory EVA (Ethylene Vinyl Acetate) foam with a plush shearling covering. This ultralight material molds to the natural shape of your foot, giving a plush and supportive feel, and providing shock absorption.