Hello
From pics I've seen, KD (karki drill) shorts, shirt ammo boots, web anklets and hose tops (sock with no feet) but you could also get away with anything for in the desert from battle dress, long KD trousers, KD shirt, sweaters, leather jerkins, greatcoats, Tommy helmets, goggles, gauntlets, anti gas goggles (Rommel wore British tinted ones) side cap, mixture of BD & KD!
Best bet is to look at some period photos and go for the look you like the best!
Hope this helps?
Colin