Blackhawk! Medium Weight Boot Sock 83SK01 is the perfect companion with your Blackhawk! boots for cool to cold weather conditions. The mid-calf design with wide elastic calf band offers a secure, snug fit, made with Elastan bands at the ankle and instep to maintain the sock's shape and prevent slippage in these durable boot socks. The anatomic foot design with Y-heel and seamless toe means durable strength and quality in a Blackhawk! sock that beats out anything you'll find on the civilian market. The merino wool footbed with cushioned heel and Achilles areas offers blister protection and breathability with excellent warmth in a cold weather Warrior Wear sock that can stand up to New York winters.