Clava in LunamothA cap, a balaclava a clava. This piece of headwear from William Ellery is warm, packable and perfect for the coldest months of the year. It's a mid layer for your head! Constructed from ultralight 160gsm, double sided alpha fleece Use it with your shell's hood, for serious warmth retention Fits under a helmet, and above your nose USA Made Milspec Nylon adjuster Woven WE Flag label Soft brim Made in NYC One size fits most