
On Ultra Vest Pro Unisex
Compact, durable, and ready for long adventures, the ON Ultra Vest Pro 10 L hydration vest is built for comfort and performance on the move. Weighing just 300 g, it’s designed with an innovative closure system that ensures a stable, no-bounce fit even during intense activity. The pack includes two 500 ml Hydrapak® flasks for convenient hydration and features a safety whistle for added security on the trail.
Storage is versatile and intuitive: large side pockets keep essentials close, while front and back zip pockets offer easy-access organisation. A removable seam-taped dry pack with a water-resistant zipper protects gear from moisture, making it ideal for unpredictable weather. With a total 10-litre dry pack volume, this vest balances lightweight design with generous capacity. Perfect for trail runs, long hikes, or endurance events where reliability and comfort are key.
Compact, durable, and ready for long adventures, the ON Ultra Vest Pro 10 L hydration vest is built for comfort and performance on the move. Weighing just 300 g, it’s designed with an innovative closure system that ensures a stable, no-bounce fit even during intense activity. The pack includes two 500 ml Hydrapak® flasks for convenient hydration and features a safety whistle for added security on the trail.
Storage is versatile and intuitive: large side pockets keep essentials close, while front and back zip pockets offer easy-access organisation. A removable seam-taped dry pack with a water-resistant zipper protects gear from moisture, making it ideal for unpredictable weather. With a total 10-litre dry pack volume, this vest balances lightweight design with generous capacity. Perfect for trail runs, long hikes, or endurance events where reliability and comfort are key.
Original: $160.98
-65%$160.98
$56.34Description
Compact, durable, and ready for long adventures, the ON Ultra Vest Pro 10 L hydration vest is built for comfort and performance on the move. Weighing just 300 g, it’s designed with an innovative closure system that ensures a stable, no-bounce fit even during intense activity. The pack includes two 500 ml Hydrapak® flasks for convenient hydration and features a safety whistle for added security on the trail.
Storage is versatile and intuitive: large side pockets keep essentials close, while front and back zip pockets offer easy-access organisation. A removable seam-taped dry pack with a water-resistant zipper protects gear from moisture, making it ideal for unpredictable weather. With a total 10-litre dry pack volume, this vest balances lightweight design with generous capacity. Perfect for trail runs, long hikes, or endurance events where reliability and comfort are key.























