Formerly Winter Comfort Thin.
Great for Ski & Snowboard Boots
Just because you are wearing performance fit boots, doesn't mean you have to sacrifice comfort and support. Get added stability, long-lasting comfort and an epic day on the slopes with Superfeet Winter Thin Support insoles designed for skiers and snowboarders. Made to replace the removable insole in ski boots, snowboard boots and other winter-specific footwear. Trim to fit your boot size.
| LETTER SIZE | Women's | Men's | Kid's |
| A | - | - | 13.5-2 |
| B | 4.5-6 | - | 2.5-4 |
| C | 6.5-8 | 5.5-7 | - |
| D | 8.5-10 | 7.5-9 | - |
| E | 10.5-12 | 9.5-11 | - |
| F | 12.5-14 | 11.5-13 | - |
| G | - | 13.5-15 | - |
| H | - | 15.5-17 | - |
| J | - | - | 11.5-13 |