We love this sporty Mary Jane with lightweight mesh and contoured footbed Precision knit mesh with hook and loop strap closure for a secure fit Age - Adult Care Instruction - Spot Clean Insole Description - Structured EVA heel cup and arch supporting high density open cell PU foam helps to hold foot in place to prevent pronation. Plus an EVA spacer to customize fit. Insole Material - OpenCell Outsole Description - Flexible dual density EVA cradles the foot for enhanced comfort and support Outsole Material - EVA Product Closures - Hook and loop strap Size Description - M = Medium (B) N = Narrow (AA) W = Wide (D) 2E = X-wide (2E) 4E = XX-wide (4E) Size Fit Information - True to Size Waterproof - Not Waterproof Heel Height - 1.5 Use - Walking Technologies Double Insoles:With the Propet EV (extra volume) insole system, customized fit and comfort is easy. Remove the bottom insole to provide a little extra volume or remove both to accommodate custom orthotics. Medicare Pending:These styles are pending A5500 Medicare approval. Intrepid:This unique I-shaped insole structure is designed to guide the foot with medial and lateral support plus a deep heel cup helps to maintain proper alignment and control pronation.