These are COFACE Women's Orthotic Sandals, known for their comfortable design with features suitable for conditions like plantar fasciitis. Looks like they were lightly used or maybe not worn at all.

Key features:

Orthotic Arch Support: They incorporate professional arch support to alleviate foot pain, arch pain, back pain, and plantar fasciitis.

Comfortable Footbed: The footbed is often made from a soft cushioning material, similar to a yoga mat, providing comfort and shock absorption.

Adjustable Straps: Many designs, including the one pictured, feature adjustable straps for a customized and secure fit, suitable for various foot widths and insteps.

Versatile Design: COFACE offers various styles, including slides and flip-flops, suitable for both indoor and outdoor wear.