Lightweight vests

Ultra Jacket in Black

Waterproof, packable, and lightweight, this trail running jacket is the ultimate friction-free piece for ultra-race perfection | On Men's Ultra Jacket in Black, Size: Small.

$270

Core Jacket in Black

Cover up or pack it up – this versatile running jacket is your go-to basic for an everyday, all-weather wardrobe | On Women's Core Jacket in Black, Size: Small.

$200

All-Day 1/2 Zip Jacket in Black

A lightweight, water-repellent jacket that you can take anywhere.

$200

Core Jacket in Black

Cover up or pack it up – this versatile running jacket is your go-to basic for an everyday, all-weather wardrobe | On Men's Core Jacket in Black, Size: Large.

$200

Weather Jacket in Black

A running jacket for ultralight protection from the elements.

$240

Challenger Jacket in Zinc

An insulated puffer jacket with ventilation zips.

$450

Weather Jacket in Black

A running jacket for ultralight protection from the elements.

$240

Pace Run Jacket in Black/Lima

A high-performance jacket made in a water-resistant (DWR) finish.

$330