Blue/medium (fits Up To 17 Cir.) * Helps Reduce Shear And Friction To Heels And Elbows * Flexible Stretch Weave Allows Skin To Breathe Fits Comfortably And Slips On Easily * Sewn-in Contoured Foam Pad Eliminates Rolling And Binding * Machine Washable; Protectors Retain Shape After Repeated Use * Standard Protectors Include A Sewn-in Comfort Pad To Prevent Sores Due To Friction And Shear * Heelbo Premium Gel Insert: Viscoelastic Polymer Pad Reduces Pressure By Up To 38% *