When you're racing to summit the peak before the weather turns, go fast and light with the Black Diamond Astral 40 Backpack. The mid-volume Astral's reACTIV hip-belt features a women's-specific cant and shape for optimal fit. The airy back panel and soft, breathable mesh on the shoulder straps and hip hip-belt ensure you'll be carrying your load in maximum comfort. Remove the top pocket and hip-belt when you're stripping down to the essentials. Hip-belt pockets keep small items within reach, while the stretch side and front pockets help you stay organized.