The Zoom Force 1 x Boa 14/15 Boots from Nike Snowboarding Synthetic leather upper for durability & comfort Dual-zone Boa Focus lacing system for a custom, dialed-in fit & fast one-hand adjustment Phylon midsole with Nike Zoom unit for lightweight, low-profile cushioning Multi-zone tread for durability & traction The Nike Zoom Force 1 X Boa Snowboarding Boot features high-tech cushioning, a durable upper & multi-zone tread for total comfort & great boardfeel. Equipped with a dual-zone Boa Focus system, this high-function boot offers zonal micro-adjustability & optimized heel