adidas Men's Terrex Hike GTX Boot Weight: 655 g (1/2 pair in size UK 8.5) FORMOTION adapts to the ground to ensure the smoothest, most comfortable hike possible; Air mesh upper for maximum breathability; Air mesh tongue for breathability GORE-TEX for waterproof, breathable performance; adiPRENE+ in the forefoot maintains propulsion and efficiency TORSION provides adaptive Midfoot support; Push-through protection plate protects the foot against roots and rocks adiPRENE under the heel for superior cushioning at impact; Rubber toe and heel guards for added protection; Mid cut for support and style