one-size-fits-all

English

(of a garment) Designed to be worn with comfort by people with a wide range of sizes.
Synonym: one-size-fits-most
(figuratively, often derogatory) Suitable for a wide range of tastes, opinions, situations, etc.
- 2012, Christoper Zara, Tortured Artists: From Picasso and Monroe to Warhol and Winehouse, the Twisted Secrets of the World's Most Creative Minds, part 1, chapter 2, 51:
  Long before popular music evolved its many genres and subgenres, the industry was driven by a simple one-size-fits-all philosophy uncomplicated by impassioned debates over the origins of trip hop or the difference between deatchore and screamo.
- 2020 May 20, “Social distancing: Questions and answers”, in RAIL, page 9:
  What about overcrowding?
  [...] DfT admits that there is no one-size-fits-all approach and that individual operators are best placed to implement locally based safety plans.
- 2021 October 20, Mark Rand, “S&C: a line fit for tourists... and everyone?”, in RAIL, number 942, page 42:
  As with other tourist lines, actual peak demand is from mid-morning to late afternoon - 'off peak' in conventional fares jargon. This can (and does) result in overcrowding at off-peak times and near empty trains at 'peak' hours. National one-size-fits-all simply does not apply on the S&C.

designed to be worn with comfort by people with a wide range of sizes

suitable for a wide range of tastes, opinions, situations, etc.