A plimsoll is a type of shoe that is lightweight and made of canvas, with a rubber sole. It is usually worn for casual or athletic activities. Full definition
For the bottom half you can go as casual or formal as you like, mixing it up with some white plimsolls for a light, summery look, or trying some brown leather loafers for a more refined, yet still understated finish. (theidleman.com)
Layer it under an unbuttoned Oxford shirt with some tailored navy shorts and white canvas plimsolls for a casual summer BBQ look. (theidleman.com)
Wear this men's casual linen trouser that comes in a bit of a loose fit, with a pair of plimsolls and a blue striped pullover - style shirt. (myntra.com)