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Quantity
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Restore precision. Extend the life of your boots.
Power Flex Liners are a high performance replacement liner designed to bring tired ski boots back to life. By rebuilding structure, improving foot enclosure, and controlling flex, they resto...
Reviews
5.0
16 ratings
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No regrets - so glad I purchased these
I'm so impressed with these liners. They have made my old FT Classics feel like new and drastically improved boots, and it's true that the heel lock is next level and the toe box has plenty of room. Great that they come with a pair of legit footbeds too. When compared to other liners out there on the market the price point for these is fantastic. Highly highly highly recommend these - you won't regret it.
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Corey · March 14, 2026
Great liners revive older boots!
I tried these new liners in my older Atomic Hawx Magna boots - these liners have made these boots almost new again. Took a couple of days to settle in but now they feel great - nice and snug - and improved my confidence after a week in the old liners which were packed out. Well worth the money.
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Gary · March 9, 2026
Love these liners!
I’m skiing way too old K2 boots that I love too much to give up, and I was looking to get a little pop and comfort back with new liners. I did quite a bit of research, came down to these or Intuition’s, and decided to get the Power Flex’s after some emails with Craig.
I followed the instructions to bake them in the oven to heat mold, wore my boots around the house for a couple days, and then immediately put them to the test with a trip to Japan. Couldn't be happier with how they performed and felt, right from the jump on Day 1.
Word to the wise, heat mold them. Worth the effort!