Nathan Pinnacle 4L

The Pinnacle 4L is a lightweight, performance‑focused hydration vest engineered to ride locked‑in at speed while carrying the essentials. It’s perfect for tempo runs, shorter ultras, and training days when you want near‑zero bounce, excellent ventilation, and instant access to fluids and fuel. FEATURES: 4L total capacity optimized for short‑to‑mid distance runs and quick outings Dual front stretch pockets sized for soft flasks or gels for on‑the‑run sipping and fueling Rear stretch pocket for a light jacket or extra nutrition and small gear Zippered security pocket for phone, keys, or valuables Breathable, stretchy mesh harness and minimal panels for superior ventilation and comfort Adjustable sternum and side straps to dial in a snug, no‑bounce fit Clean bladder routing for a 1.5L reservoir (or use included front flasks) and tidy hose management Reflective accents for low‑light visibility and durable materials for trail use