Unisex Ultra Vest Pro

Product Information

The On Ultra Vest Pro redefines what a high-performance trail running vest can be, meticulously engineered for serious endurance athletes. Its innovative design prioritizes a secure, no-bounce fit crucial for demanding terrain, while still offering exceptional accessibility for essentials. This vest moves with you, minimizing distraction over long distances.

Designed to keep you self-sufficient on extended trail runs, this vest comes equipped for hydration and organized storage. Quick-access pockets ensure nutrition and gear are always at hand, and a removable water-resistant dry pack keeps valuables protected. It’s built for those pushing limits, from long training runs to ultramarathons.

Features

• Lightweight, body-hugging design with an optimized, no-budge fit
• Integrated front hydration with two 500 ml BPA-free Hydrapak® soft flasks
• Multiple quick-access storage pockets, including large side pockets and front/back zip pockets
• Removable seam-taped dry pack with a water-resistant zipper for protecting valuables
• Breathable recycled materials for enhanced comfort and airflow
• Built-in safety whistle and accessory attachment points for modular gear
• Athlete-validated design with improved bottle and pocket positioning

Specs

• Weight: 300g
• Hydration: Two 500 ml Hydrapak® flasks included
• Storage: 10L total capacity, including a removable 5L waterproof dry bag
• Materials: Front: 100% Recycled Polyester; Back Panel/Pocketing: 85% Recycled Polyamide, 15% Elastane; Bag: 100% Recycled Polyamide