Answer: layering

AnswerCrossword Clue
LAYERINGDress option for cold weather
layeringthe wearing of lightweight or unconstructed garments one upon the other, as to create a fashionable ensemble or to provide warmth without undue bulkiness or heaviness
layeringmethod of propagating plants by causing their shoots to take root while still attached to the parent plant
layeringto arrange in layers
layeringthe trimming of multiple layers of fabric at the seam allowance of a garment so as to prevent a ridge on the face of the garment when the seam is sewn
layeringa method of plant propagation, also LAYERAGE
layeringone thickness of material