Cold-weather garment (7)
(Other definitions for sweater that I've seen before include "One visibly too hot" , "slave-driver" , "mugger once" , "Heavy jersey" , "Re waste: it's a garment" .)
(Other definitions for cardigan that I've seen before include "clothes item" , "Woollen jacket" , "Noble officer" , "Woollen garment" , "Knitted sweater - Welsh Bay" .)