Trail running and ultramarathons demand more from your gear than road running ever will. Steep climbs, technical descents, hours-long efforts in remote terrain — your trail running hydration vest needs to carry enough water and fuel to keep you moving while staying so stable you forget it's there. That's what this collection is built for.
Every ultra running vest here uses Orange Mud's shoulder-mount design, which plants the weight high and tight against your body instead of bouncing around your lower back. This matters on trails where you're constantly changing direction, scrambling over rocks, and leaning into steep grades. Less movement means less wasted energy and zero chafing over 50+ mile efforts.
Built for the Long Haul
Ultrarunners need cargo space — gels, salt tabs, a windbreaker, headlamp, emergency supplies. Our trail running hydration packs are designed with smart pocket placement so you can reach your nutrition without stopping. Multiple storage compartments keep your gear organized and accessible, whether you're 5 miles in or 85.
Choosing the Right Trail Running Vest
For shorter trail races and fast-paced efforts under 3 hours, a lighter vest with 1-2 liters of capacity keeps things minimal. For ultras and all-day mountain adventures, look for packs with 2+ liters of water capacity and enough pocket space for mandatory gear. Our Hydration Pack FAQ covers fit tips, cleaning advice, and help picking the right size. Every pack includes our no-bounce guarantee — if it moves on the trail, we'll make it right.
Browse our full trail and ultra running collection below and find the vest that lets you focus on the trail, not your gear.





































