VTG 1940s Type A-11 Alpaca Fur Lined US Army Air Forces 40s Flight Pants Sz 34 Jan 18, 2024 | 1940s | admin | They feature a Type A-11 design and are lined with warm and cozy alpaca fur. These pants are a size 34 and are in excellent condition for their age, with all original details intact. No suspenders, but look to have never been worn.