Boulder NO FLY ZONE Lightweight Crew Size:XL Proper size is based on

Proper size is based  on the dimensions of your ear's concha bowl

Capacity: 18 liters

Top hook-and-loop and reflective ice tool attachment with adjustable bottom loop and aluminum toggle to fit any tool

Drop point blade made from CPM M4 premium steel

The result is signature style coupled with all day comfort

Boulder NO FLY ZONE Lightweight Crew Size:XL Proper size is based onAll No Fly Zone socks are manufactured using yarns treated with permethrin insect repellent. Odorless and durable, permethrin repels common biting insects like mosquitoes, flies, chiggers, midges, ticks, and ants. And best of all, it doesnt alter the amazing qualities of our 100% US made merino wool. Wearing the No Fly Zone Boulder lowers your chances of getting bothersome bites or worse, insect borne diseases on your next day hike or backpacking