Made specifically for women, the CamelBak Charm hydration pack offers an ergonomic fit and a lightweight, minimalist design to keep you hydrated, not weighed down. Women specific fit includes a short profile and and adjustable S shaped shoulder straps padded mesh back panel and mesh straps promote cooling airflow. Minimalist design houses the 50 fl. oz. AntidoteTM reservoir with a redesigned filler cap, making it easier to fill than before. Big BiteTM valve is easy to use just bite and sip HydroLockTM valve shuts off water, ensuring leak free transport. Small front zip pocket offers just enough space for a gel, ID, keys and cash. Rear webbing accepts a safety light sold separately. The CamelBak Charm hydration pack features reflective detailing on front and back, increasing your visibility in low light.