Tracksmith, the budding run apparel brand, released a line of swim-friendly running bottoms designed to perform both as a run and swim trunk.

Its Run-Cannonball-Run campaign promotes long summer trail runs with cool-down breaks where runners can lower their body temperatures by jumping in lakes or streams.

The shorts are made from a poly-elastane blend with a hydrophobic finish that repels water and dried quickly once wet. The liner is a fast-drying nylon blend.

The purpose of the design was to eliminate both the soggy running short and the chafing board short.

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Video courtesy Tracksmith