Fly lightly over the trail and be the first to crest the ridge in speedy performance and design of the Merrell All Out Blaze Aero Sport hiker. 100% vegan-friendly construction. Lightweight, breathable mesh upper with supportive synthetic overlays. Bellows tongue helps keep debris out. Merrell Omni-Fit lacing system promotes a precise, glove-like fit. Molded TPU heel counter provides added stability. Heel pull loop for an easier on and off. Lightly padded collar. Breathable mesh lining is treated with odor-fighting M Select FRESH technology to keep feet feeling fresher longer. Foam footbed offers light underfoot comfort. UniFly midsole delivers lightweight underfoot protection. 5 mm lug depth. Vibram out-sole. Imported.