Upper: High abrasion resistant, breathable Mesh with Nano-Cell 2.0™ structure and PU TechLite™ toe cap and heel Lining: GORE-TEX SURROUND® Midsole: Shock absorbing, compressed EVA with TPU sides and aeration channels in GORE-TEX SURROUND® Footbed: Ortholite® Mountain Hiking 5mm Sole: Vibram® XS Trek with Impact Brake System