Built for the coldest sits and quietest moments, the ColdFjall Handwarmer Muff 2.0 combines a Berber-Wool outer with S18 Neutral-LR™ Technology for natural concealment and warmth. 200 gsm QuietLoft Xtreme™ Insulation, fleece lining, and WindSeal™ protection keep hands warm and silent, while side cuffs, a detachable strap, and MOLLE compatibility add versatile field function. OSFM.