NWOT/ NWOB DynaSoft midsole foam with approximately 3% bio-based content couples ultra-responsive performance with plush comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint.Engineered mesh upper for breathabilityUpper features no-sew overlays for a sleek fit and feelEVA foam insert increases comfortAT Tread outsole provides versatile traction during both on and off-road activitiesAdjustable lace closure for a customized fit8 mm drop; due to variances created during the development and manufacturing processes, all references to 8 mm drop are approximatePls see pictures for details..Thank you