elasticised

/IH0 L AE1 S T AH0 S AY0 Z D/
verb
  1. 1

    To make with elastic, by attaching elastic bands, so it adjusts in size and remains snug. Usually done to clothing.

Source: https://en.wiktionary.org/wiki/elasticise, https://en.wiktionary.org/wiki/elasticised