Attack terrain with these men's All Out Blaze Sieve hiking shoes from Merrell. Ideal for forging creeks, the water-shedding hikers are crafted with a waxy leather upper and a neoprene stretch collar for easy on and off. The Unifly? midsole connects you to the trail, yet protects you from terrain. They are complete with a Vibram sole, which provides maximum traction on unpredictable surfaces.. Material: Leather & Textile Upper/Synthetic Sole