Material: Construction: Upper: Mesh Body Construction With Seamless No Sew Overlays For Fit And Support Outdry® Waterproof Breathable Construction Trail Difficulty : ★★★★★ Midsole: Ultralight Midsole Technology: Columbia’S Most Advanced Lightweight Cushioning Compound Providing High Energy Return For All Day Comfort And Performance Outsole: Omni-Grip Non-Marking Traction Rubber