Product Details + DC Premier Hybrid - BOA® Snowboard Boots Features Material: Synthetic upper material Outsole: Contact UniLite™ rubber outsole Adjustment system: classic lacing with internal ankle harness controlled by a BOA® disc Insole: Impact-ALG molded insole Lining: Response liner II Closure: lace closure system with lever flex index: 6/10 Other features: hardware for custom lacing Composition Upper: synthetic / Lining: textile / Outsole:__ EVA