Armstrong Whitworth Siskin
The Armstrong Whitworth Siskin entered service with the Royal Air Force in 1924 as a single seat fighter bi-plane. No.41 Squadron RAF operated the Siskin from RAF Northolt. The Royal Canadian Air Force also ordered the Siskin. Eventually the Bristol Bulldog replaced the Siskin.
Sweat Shirts are made from 80% ringspun cotton and 20% polyester. Comfortable to wear at 280gsm with ribbed collar, cuffs and hem. Check the sizing page as this item can be slightly different than other brands.