PneumaticWalker Diabetic System includes. XP Diabetic Walker Insoles (one ImpaxÚ Grid and one Plastizote) Stockings Hand Bulb with Pressure Gauge An aircell lined shell that maximizes plantar unloading regulates shear stress and provides protection and immobilization. Graduated compression to help reduce edema. Multi-aircell support for a total contact fit Regulated aircell inflation with the specialized Hand Bulb with Pressure Gauge A specifically designed rocker sole to reduce plantar pressures and improve off-loading. Small Men's 4-7 Women's 5-8 Medium Men's 7-10 Women's 8-11 Large Men's 10 -13 Women's 11-15 X-large Men's 13 + Women's 15+ *