BOAâ”¢ lacing system delivers an unparalleled glove-like fit with aircraft grade durability and insane micro-adjustability. 3-D molded tongue allows for easier lacing with improved fit and flex. Level 1 footbed features EVA with Sherpa top sheet for warmth and comfort while providing lightweight and optimum performance. Level 1 liner:
â€¢ 100% heat moldable intuition liners for a custom fit
â€¢ Single density Intuition foam for comfort, warmth, and support
â€¢ Internal anatomical foam overlays for optimal heel hold
â€¢ Integrated Lacing System for improved heel hold High-density evolution foam outsole is lightweight and durable. Comfort fit for out-of-the-box wear. Flex: soft Imported.