- Posture Foundation Magic Foam Insole: Inspired by the innovation that changed sneakers forever, this insole offers long-term cushioning, moisture management, and sustainability with 5% recycled content. 10 oz. Canvas Upper: Everyday durability designed to wear beautifully over time. Gum Rubber Outsole: A nod to the classics, providing traction and durability that stand the test of time. Ribbed Toe Bumper: A signature design element thats as functional as it is distinctive.