Heel Measures Approximately 3.5 Centimetersergonomic Designthe Pillow Slides For Women Are Slightly Recessed To Perfectly Wrap Your Feet, The Toe-to-tail Is 15 Angled Balancing The Pressure From Your Feet Through To Your Hips,the Fitting Angle Balances The Pressure, Ergonomic Design.more Comfortable To Wear.thick Sole Design: The Sole Of These Unisex Slippers Built With 3.5cm Thick Sole, More Than Twice As Thick As Ordinary Slippers,ideal For Indoor-outdoor Activities, Keeps Your Feet Away From Water, Dust Or Mud While Offering Great Support.soft & Lightweight:the Pillow Slippers For Indoor & Outdoor Feature A High-elastic Eva Construction For Superior Durability While Offering All-day Cushioning With Its Contoured Foam Footbed. The Home Slippers Use Ultra Rebound Soles,they Are Lightweight And Super Soft,can Be Bending Flexibly And Very Easy To Clean.360 Protection: The Deep Heel Cup And Concave Vamp With Roomy Toe Box Wraps Around The Whole Foot Absorbing Impact To Protect Your Toes From Kicking The Table Feet, Threshold Or Stones.making You Walk Comfortably All Time.