If you buy something through my links, I may earn a commission. Take a simple look like a plain solid color long sleeve ...

The best gym bags have thoughtful features, like a water bottle pocket, a separate compartment for post-workout clothes and shoes, and zippered pockets to keep small items easy to reach on the go.

Start with a base layer of a simple short sleeve top and a pair of straight ankle jeans. Then, add some chic layers with ...