The Chill-Its 5160 Reflective Hydration Pack includes a 3.0L // 3000mL bladder for reliable on-the-go hydration. Its lightweight, low-profile design minimizes bulk for all-day comfort, while its rugged ripstop polyester construction delivers durable protection against the elements. HYDRATION PACK A contoured shape allows the pack to sit flush against the wearer’s back, offering balanced weight distribution and comfort when the bladder is full. A breathable mesh back and padded