US Military Wool Trigger Finger Mitten Liners The US Military Wool Trigger Finger Mitten Liners are an authentic pair of US army issue cold weather mitten inserts. These wool blend mitten liners would be paired with extreme cold weather trigger finger mittens for additional layering. You can comfortably wear these mitten liners as stand-alone mittens, or pair them with your favorite extreme cold weather mittens for enhanced warmth. The US Military Wool Trigger Finger Mitten Liners are a pair of vintage wool trigger mitten liners. These mitten liners were produced and issued to soldiers who would be operating in areas of extreme cold along with the mitten shells. The addition of the trigger finger to these mittens allowed soldiers to fire their rifles without needing to remove their mittens, which was a massive improvement over the older traditional style mittens. Features: Authentic US Army Wool Trigger Finger Mitten Liners Made from 70% Wool / 30% Nylon Wear as Stand Alone Mittens or Pair with ECW Mittens