Used specifically for describing the thickness of woven materials, such as textiles, towels, or clothing fabric.
This towel is thick and very absorbent.
Winter coats are made of thick fabric.
Compound of 地 (ji, 'fabric, cloth') and 厚 (atsu, 'thick'). The reading じあつ is a straightforward combination of the on'yomi readings of the two kanji.