THESE ONES GO UP. AND STAY UP. Long days in lace up boots are hard enough without constantly pulling your socks back up. Mission Socks are long-length merino boot socks designed to stay put while you're hunting, hiking or working outdoors. Merino wool provides natural warmth and comfort, while reinforced heels and toes add durability where socks take the most punishment. WHY YOU'LL LIKE THEM STAY-UP FITLong length with a secure fit designed to reduce slipping and bunching inside lace-up boots. MERINO COMFORTNatural merino wool helps regulate temperature and manage moisture for comfortable feet through long days. REINFORCED WHERE IT COUNTSReinforced heels and toes add extra durability in the areas that normally wear through first. BUILT FOR BOOTSDesigned specifically for long days in lace-up hunting, hiking and work boots. Please note: Mission Socks are a long-length boot sock and aren't designed for heavy gumboot use. Composition: 52% Merino, 30% Acrylic, 12% Nylon, 5% Polyester, 1% Spandex