layering up
phrasal verbUK /ˈleɪərɪŋ ʌp/
US /ˈleɪərɪŋ ʌp/
Putting on extra clothes on top of each other to stay warm.
It's freezing outside, so I'm layering up with a sweater and a coat.
OTHER MEANINGS
2. Building something up in thin flat sheets or coats, one on top of another.
The artist is layering up paint to give the canvas more depth.
3. Arranging plants or materials in stacked rows or levels.
She is layering up the flower beds with bulbs and mulch.
4. Combining different sounds or tracks on top of each other in music.
The producer is layering up guitar tracks for a richer sound.