The Zipline Boa 14/15 Kids Boots from Burton LACING: NEW Boa Closure System LINER: Youth Imprint Liner CUSHIONING: Dyno LITE Outsole COMFORT: Snow-Proof Internal Gusset & Level 1 Molded EVA Footbed Support: 2 A softer flex & all-around easy Boa closure for the next step in kid-focused comfort.