Single BOA dial located on the tongue tightens a steel lace across the entire shell. It's the quickest, simplest way to close and release your boot; Bombproof BOA H4 Coiler increases the speed of entry and quickly takes up lace slack; Awesome foot hold that starts right inside the liner, with 3D molded material and J-bars around the ankle; Constructed from a single piece of bombproof and lightweight EVA, the Gravity+ outsole delivers great cushioning underfoot; Bronze liner features integrated lacing with a low-profile lace lock for a secure fit; 3D Single Density Insole is anatomically designed to cradle your foot and constructed from a single piece of comfortable EVA. A fleece-lined footbed with silicone top-print keeps you warm and secure; Asymmetric 3D Molded Tongue features a sharper curve on the medial side to match your natural forefoot shape; Unique asymmetrical design co-developed with BOA for optimal support and flex; The upper boot cuff is asymmetrically connected to the lower boot, allowing the ankle to flex naturally and providing great support without shell distortion; Made from advanced memory foam, Nidecker's moldable liners adapt to your foot shape over time or can be heated in store for an instant, personalized fit