Our Red Wing Shoes Shaped Comfort Footbed provides a layer of lightweight cushioning, ensuring the perfect fit when paired with all footwear from Red Wing Heritage. Features include PORON® to absorb shock from impact and a suede fabric covering to assist with moisture management. PORON® Comes in five sizes: X-Small (US 4-4.5), Small (US 5-6.5), Medium (US 7-8.5), Large (US 9-10.5) and X--Large (US 11-13) Suede Fabric Covering Made in USA Our Shaped Comfort Footbed provides a layer of lightweight cushioning, ensuring the perfect fit when paired with all footwear from Red Wing Heritage. Features include PORON® to absorb shock from impact and a suede fabric covering to assist with moisture management. PORON® Comes in sizes: Small (US 5-6.5), Medium (US 7-8.5), Large (US 9-10.5) X--Large (US 11-13) Suede Fabric Covering Made in USA