The most common and most likely answer to this crossword clue is the 10 letter word SWEATPANTS
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More clues leading to the result SWEATPANTS
- Gear to change as went past
- A step wasn’t awkward in elasticated trousers
- Workout garments — father wearing set wasn’t relaxed
- Joggers set swan off, keeping fit backfired
- Criticise in work discontented trainees in casual gear
- Terrible waste, useless garment
- Wife in house huffs and puffs in exercise outfit
- Cryptically waste garment?
Buddy explains!

The straight part
We know that "exercise outfit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case exercise outfit = sweatpants.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SWEATPANTS mean?
SWEATPANTS noun- Informal cotton trousers, with an elasticated or drawstring waist, used for exercise etc.