From the manufacturer:

Features of Vionic Hope Rx Women's Supportive Orthotic Slide Sandal with Arch Support:

Adjustable Knit Upper: Crafted from breathable knit fabric with suede trim and dual-strap mesh for a flexible, hook-and-loop adaptive fit.

Dual-Density Cushioning: Features a balanced midsole for superior shock absorption and comfort during extended wear.

Massaging Footbed: Texturized EVA footbed with oversized sidewall and deep heel cup for a soothing, supportive experience.

VIO MOTION Technology: Built-in contoured arch support, shock-absorbing cushioning, and forefoot flexibility for optimal foot health.

Stable Outsole: Durable EVA outsole with a grippy design to ensure stability on various surfaces.

Perfect Fit: size up if between sizes.

Heel Height: 1.375 inches for a low-profile, comfortable stride.

APMA Seal of Acceptance: Recognized by the American Podiatric Medical Association for promoting foot health.

Easy Care: Clean with a dry cotton cloth; avoid harsh detergents and allow to dry naturally if wet.

Break-In Comfort: Wear for a few hours daily during the first few days to adjust to the orthotic support, achieving full comfort within 1-2 weeks.

Sanitized and in excellent condition

Ships quickly from a smoke free home