Enjoy all your outdoor adventures on both easy and rugged terrain with the Merrell Siren 3 hiking shoe. Mesh and TPU upper. Traditional lace-up closure with sturdy laces and webbing loops for a secure and customizable fit. Back pull tab for assisted entry. Bellows tongue keeps debris out. M Select FRESH antimicrobial agents reduces shoe odor for a fresher foot environment. Kinetic Fit Tri removable contoured EVA insole provides light support to all three arches of the foot. Q Form 2 midsole features dual-density construction to provide gender-specific alignment and comfort. Hyperlock molded TPU heel counter for security. Vibram Megagrip provides durable stability and traction. 4.5mm lug depth. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 8, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.