WATERPROOF: AQ waterproof & breathable lining keeps your feet dry_CUSHIONED: Underfoot cushioning from EVA midsoles and the OrthoLite footbed _ADVANCED GRIP: OPTI-STUD sole won't let you down_BUILT TO LAST: Durable scuff resistant treated leather upper__Berghaus Expeditor Ridge 2.0 Walking Boots are lightweight, comfortable and loaded with great technology, from their robust leather uppers to shock absorbing EVA mid-soles for underfoot cushioning.__ You can be sure of great grip thanks to their OPTI-STUD soles.____Upper: 1.6-1.8mm Treated leather _ Outsole: OPTISTUD Walk-WB/OS outsole _ Midsole: EVA midsole_ Footbed: Berghaus Ortholite _ Lining: AQ waterproof membrane__ Leather is made in a tannery certified by the Leather Working Group for environmental performance__