Details:

Our Shaped Comfort Footbed provides low-profile, lightweight cushioning that ensures proper fit and keeps feet comfortable. Add the footbeds to your Heritage footwear to dial in a perfect fit.
Size chart:
XS: US 4-4.5
S: 5-6.5
M: US 7-8.5
L: US 9-10.5
XL: US 11-13