The MONS ROYALE Ascender Merino Seamless Balaclava keeps your head, face, and neck protected without bulk or irritation. This seamless design blends merino wool with Tencel for temperature regulation that works whether you're grinding uphill or ripping downhill, while a thermo-mapped design places warmth and breathability exactly where you need them. When you need to focus on the turns, this classy clava delivers the comfort and performance you need to shred your best.