Plush and Responsive. It's All Systems Go. Season after season, the Ion sets the bar for responsive feel and out-of-the-box fit. The men's Burton Ion BOA® Snowboard Boots take it one step further with high-power micro-adjustable tensioning for the upper and lower boot. Combined with a firm flex, they support full-speed-ahead charging for riders who like to rip. Warm, dry feet and unmatched control for dropping lines and sticking landings are all yours. Features: Firm, Supportive Flex It's full-speed-ahead with this boot's firm flex. Micro-Adjustable Fit A Dual-Zone BOA® Fit System lets you independently micro-adjust the fit and feel of the forefoot and upper boot for the just the right fit and feel. More Lacing Power Features BOA® dual high power system for more tensioning power and control of the instep and lower zone than other BOA® systems. Tech Specs: Lacing: Dual Zone High Power Focus Boa® Liner: Life Liner Inner Cuff: Tuff Cuff Lite Outsole: Autocant Outsole | Burton Recycled Content Rubber Warmth Features: DRYRIDE Heat Cycle™ Lining | Sleeping Bag Reflective Foil Warranty: 1-Year Warranty Size Guide: Men's US 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 13 14 15 Women's US 7 7.5 8 8.5 9 9.5 10 10.5 11 * * * * * * * EURO 38 39 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 46 47 48 UK 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 12 13 14 Mondo 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 31 32 33 CN (2.5) 240 245 250 255 260 265 270 275 280 285 290 295 300 310 320 330 CN (1.5) 240 245 250 255 260 265 270 275 280 285 290 x * * * * CN (2) 240 x 250 * * * * * * * * * * Burton Men's Ion Boa® Snowboard Boots - Powder Blush - 2024