A longtime DC favorite, the Phase is now available in a high performance Pro model. The Phase BOA® Pro has all the top snow tech. Our premium R2 liner and molded IMPACT-ALG™ insole maximize out-of-the-box comfort and performance. Once you dial in to the convenient, perfectly dialed fit of the Dual Zone BOA® Fit System with H4 Coiler Tongue Dial and Internal Ankle Harness Controlled By Remote BOA® Dial you'll never go back. The Phase BOA Pro mixes skate-inspired simplicity with top-line tech features to conquer the most technical riding in the harshest winter conditions.