Men's Running Shorts On

On Lightweight Short


Get the lightest running experience in the On Lightweight Shorts.

On created the Lightweight Shorts to eliminate distractions. Designers cut the front panel and inner brief from a polyamide-elastane blend fabric for its mobility and quick-drying properties. The rear panel is a perforated polyester for breezy comfort and minimal weight.

A soft waistband with an elastic drawcord lies flat against your body, and a pocket with a key loop hides away in the back of the waistband. With no zippers or hardware, the Lightweight Short makes easy work of foam rolling, too.

Weighing less than 4 oz, the On Lightweight Short doesn’t draw any attention to itself so you can focus all your effort on your workout


Size S M L XL
Chest (in) 35-37 38-39 40-41 43-44
Waist (in) 30-31 33-34 35-36 37-39
Hip (in) 35-37 38-39 40-41 43-44

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Reviews (1)

5 out of 5 stars.

5/5 on 1 total reviews

Marni Verified Buyer
5 out of 5 stars.
ON light mens shorts the best

most comfortable shorts with coverage for gym activities; lightweight for heat of summer; ease of care

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