MC2 high-friction compound for grip and durability Stamp tread pattern optimized for contact surface and compatibility Directional angled and spaced toe/heel lugs for traction while hiking Ramped toe for walkability Cushioned EVA midsole for shock absorption BOA« Fit System and strap for micro-adjustment Ventilated windows with perforated mesh material for breathability Padded tongue for protection TPU reinforced areas for protection and abrasion resistance Heel dots for grip and superior heel hold Hidden eyelets for durability and clean design. SHOE STAMP BOA BK/GD 9.0