On Running Lightweight Shorts (Men's)

Size Guide
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On Running Lightweight Shorts

Engineered effortlessness

Versatile and stretchy but sturdy and stylish. The Lightweight Shorts are engineered solely to help runners perform. Reduced to the maximum. Premium practicality. With zero zips or hard points, they make light work of floor work too.

Accelerated ventilation

Zoned perforation accelerates ventilation where it’s most needed.

Adjustable waistband

Elastic waistband allows for bespoke fit.

High tech fabrics

Ultralight and stretchy fabrics that are stubbornly strong.


Enhanced comfort

Zero zips or hard points for enhanced versatility and comfort.

Fabric facts
  • The ultralight, tear-proof upper is made from a highly-technical four-way stretch polyamide/elastane for total freedom of movement. Italian fabric in the waistband is designed to move with a runner, and to keep the shorts perfectly positioned.