On Running T-Shirt x Post Archive Faction - Black

On was born in the Swiss Alps with a single mission: revolutionize the sensation of running. Blending innovative performance with an eye for design, the brand has rapidly entrenched itself in both athletic and fashion spheres, boasting a vision that’s both ambitious and achievable.

The Running T-Shirt x Post Archive Faction (1UG10080553) is the epitome of On's sophisticated flair, delivering a sleek black finish for the fashion-forward athlete. Part of the Spring/Summer 2026 lineup, this short sleeve t-shirt seamlessly fuses high-performance and streetwear appeal, engineered for both men and women who demand style as much as functionality from their wardrobe essentials.