Nordica Speedmachine 3 130 BOA DD Men’s Ski Boots. A great fit extends beyond the foot. For the first time ever, Nordica are introducing a new BOA® closure system on the cuff, which creates a contoured wrapping fit while also increasing heel hold. This results in a boot with a more anatomical fit, that responds quicker and locks you in for the ultimate skiing experience. They redesigned the Tri-Force shell to pair perfectly with the BOA® Fit System to maximize energy transmission for unrivaled power, efficiency, and control. And for a truly personal fit, its customization features allow you to make this boot your own. Ski your best and experience all the mountain has to offer with the Speedmachine 3 130 BOA® DD. Tri-Force shell technology with the BOA® Dual Dial Fit System. The BOA® Dual-Dial Fit System delivers a microadjustable, multi-directional, zonal precision fit that’s uniform-reducing pressure points. 3D Cork Fit Primaloft®. Closure Type : Strap, Double BOA. Best Use : All Mountain Skiing. Features : Waterproof, Insulated, Moisture Wicking. # of Buckles : 0.