Product Description The DC Phase Snowboard Boots incorporate all the elements you need to hit the slopes with maximum confidence. They have toasty warm, heat moldable liners, durable materials built to stand up to daily abuse, and classic lacing that allows you to get the fit just right every time. And with a soft, freestyle friendly flex, these boots are perfect for riders getting after it both in the park and elsewhere around the mountain. Additional Details and Features Flex Rating : 3 (on a scale of 1-10, with 1 being the softest, 10 being the stiffest) Lacing System : Traditional Lacing Response Liner I Construction IMPACT-ALG(TM) Insole Footbed Foundation UniLite Outsole