OluKai Pehuea Leather Shoes for Women - Lava Rock, Women's 10 Color:Lava Rock A rigid plastic arch support

A rigid plastic arch support runs from the midfoot all the way through the heel

For additional warmth

On the underside of the arch support you'll find the temperature indicator sticker

and an ICEVA drop-in footbed

OluKai Pehuea Leather Shoes for Women - Lava Rock, Women's 10 Color:Lava Rock A rigid plastic arch supportProduct Details Overview: The OluKai Pehuea Leather Shoes for Women feature an unlined full grain leather upper. They have a dual density anatomically correct footbed with extra cushioning for immediate comfort. The footbed is lined with a soft, moisture wicking microfiber they are removable and washable. Their non marking sole features a Polynesian design for additional grip and a patented Drop In Heel design that converts these shoes to slip ons.