Comfy warm, easy fit â“ thatâ™s how the 2010-11 K2 Havenâ„¢ snowboard boot rolls. Whether itâ™s a weekend session or a weeklong excursion, your feet will never know the difference. Inspired by the K2 Allianceâ„¢, the Haven combines the Boa H2 Coiler System with our Comfort Foam 3D Intuitionâ„¢ Liner for incredible comfort and fit. Moldable Internal J Bars and our Fast-Inâ„¢ Single Pull System let you fine-tune adjustment and support for all day shredding.