Open cell foam is used in many different components of shoe making from adding more fullness to the sneaker tongue to soft support around the ankle.
3/8" or 1/4" = shoe collar, tongue
1/2" = liner
Made in USA
What is open cell foam?
Foam has tiny cells an open cell foam means these cells are not completely closed. The open cells are filled with air and this affects the way the foam feels and performs. Open cell foam is softer and springier and offers superior comfort and support for a range of applications.
Due to manufacturing and cutting tolerances, sheet length and width may vary by +/- 1/4″