one-size

one-size

adj
(Clothing & Fashion) available in one size only that is designed to fit most people
References in periodicals archive ?
If you are a lucky winner, you can choose from a one-size fits all (8-14) fitted Lycra ladies or unisex large or extra large.
The one-size arbor makes size changeovers fast and convenient as there is no need for multiple units.
Shakespeare and The SP have joined forces to put up a one-size adult and one-size junior lifejacket as Xtra Special prizes, worth pounds 90 each, for the best sea fish caught in UK waters between September 1-30 and entered in our competition for scoring against UK records.
Scientists have already discovered at least 14 types of ASCs that--even with limited plasticity--could eliminate the need for a "one-size fits all" cell.