The Okapi ATS is a versatile, breathable and quick-drying all-terrain sneaker. This lightweight approach shoe offers great traction, stability and cushioning. Fiber Content Outer: mesh Lining: mesh Sole: rubber Features Upper: HH® Max-Vent, HH® Quick Dry, HH® Lite-Frame, Flowknit, HH® Pro Guard Midsole: HH® Power-Stride, HH® Max-Comfort Insole, Antimicrobial Outsole: HH® Max-Grip, HH® Tough-Wear Performance Windproof: Moderately windproof - Windproof level is not relevant Waterproofness: Water repellent (DWR Treated) - The material doesn’t have any membrane so it doesn’t have any waterproofness but it is treated with DWR for water repellency Insulation: Pure shell Breathability: Highly Breathable - Breathability range is the Helly Tech Performance range. 10000 to