From Merrell, the Men's Agility Peak 6 Trail Runners feature: Breathable mesh, synthetic and TPU upper 3D Print and TPU overlays on upper in wear zones for increased durability Traditional lace closure Bellows tongue keeps out debris Padded collar 100% recycled breathable mesh lining FloatPro™ foam midsole delivers exceptional energy return while the added full-length FlexConnect™ technology Attains stability over the long haul Vibram® Megagrip outsole with Traction Lug tech offers superior and unwavering grip on any surface Imported.