Truly do not think it matters, go with what you are comfortable in. It is more a situation if your face fits than you approach to works procedures and ethics.
Tracksuit is more than suitable.. no joke
Answered - Yard Operative (Former Employee) - Chester, Cheshire
Smart casual,no jeans which speaks for itself or suit. You never get to make another first impression.
I went smart but I've seen guys come and it looks like they've just got out of a skip
Answered - fitter (Former Employee) - Wolverhampton, West Midlands