These for her are perfect days. In the winter she wears thicksocks, Wellington boots and gloves, and she paints until her fingers are too numb to hold the brush.
Improve Your Landscape Painting
When you feel warmer put on thick, dry cotton socks, and slippers.
Stay Well This Winter (1989)
Her feet are covered with thicksocks.
Times, Sunday Times (2015)
Seeodd socks
Definition of 'thick'
thick
(θɪk)Explore 'thick' in the dictionary
adjective
Something that is thick has a large distance between its two opposite sides.