A garment was also commonly issued to scouts and snipers in infantry battalions, from 1943, but most notably the SAS/SBS/SOE and Commando squads. It is sometimes incorrectly referred to as the "SAS Windproof". It was not designed much for parachuting, and lacked a crotch flap, having a drawstring hem instead. . A matching set of over-trousers was produced to complement the smock.