The Merrell Thermo Kiruna Mid Shell Waterproof hiking boot has all the protection, warm insulation, and underfoot support you need to make sure you enjoy every minute of your outdoor winter adventure. Winter trail boot made of a waterproof full grain leather upper. M Select DRY waterproof membrane keeps feet protected from the wet elements. 200g M Select WARM insulation offers comfortable interior warmth for cold-weather days. Traditional lace-up closure with round fabric laces, sturdy metal eyelets, and speed hooks for quick adjustments and a secure fit. Comes with a second pair of laces. Bellows tongue keeps debris out. Conductor fleece lining for added warmth and an incredibly comfortable interior foot environment. Heat-reflecting insole technology radiates body heat back toward the foot to help keep out the cold. Removable Kinetic Fit Base insole is contoured for underfoot support and comfort. Compression-molded EVA midsole for stability and shock absorption. Molded nylon arch shank for added stability. M Select GRIP outsole provides durable traction that has a sure grip on a variety of terrain. 5mm lug depth. Imported. Measurements: Weight: 1 lb 7 oz Shaft: 5 in Product measurements were taken using size 12, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.