OmniTrax Interchangeable Sole System for customized traction on the fly; Traditional lace with locking cleat for a customized bi-zonal fit; Exo-Tec technology provides 360 degrees of molded, abrasion-resistant protection in a flexible, hyper-light package; Hydrophobic materials = faster dry times which lessen the chance of spreading invasive species; Water flows thru internal channels then out midsole ports, quickly removing excess water and weight; Enhanced EVA midsole offers underfoot comfort and increased stability and support; Featuring Ankle Wrap internal foam padding for added ankle stabilization and comforting support; 9" height / 3 lbs 6 oz per pair