ULTIMATE HYDRATION SOLUTION: The Soft Reservoir 1.5-liter hydration bladder is perfect for use on hiking trails, road runs, or ski slopes, ensuring you stay hydrated and energized without added bulk. It shrinks with each sip to minimize water bounce so you can focus on the trail ahead. ENHANCED DESIGN: Crafted with soft materials and optimized slider grip, this reservoir provides practical comfort for long-distance runs, making every kilometer feel easier. PVC, Bisphenol - A free. CUSTOMIZABLE TUBE LENGTH: The 90cm tube allows for standard routing but can be easily cut shorter for underarm routing, delivering a 30% more efficient way to hydrate on the move while reducing fatigue. EASY REFILLING WITH UPDATED SLIDER: Featuring an improved slider for extra grip, refilling and emptying the reservoir is a breeze—even with cold or sweaty hands, ensuring hassle-free hydration. PLUG-N-PLAY SYSTEM: The innovative 'click' valve design allows for quick disconnection of the tube from the bladder, providing convenience even when the reservoir is full.