For day-long hikes in variable conditions, the Shasta 30 has you covered. Ample cargo room, a 3-liter Crux reservoir with Quicklink, thoughtful organization, and designed specifically for a women&';s fit. Air Support Back Panel: Designed with body mapping technology to ventilate areas of the body that generate the most heat, while keeping load close to your body for increased stability Dual Wing Belt with Cargo: Inner belt transfers weight to hips, while outer belt compresses cargo and offers additional storage Adjustable Sternum Strap: Offers a range of adjustments for a custom fit and increased stability Essentials Org Pockets: Keeps your small essentials organized and secure Integrated Rain Cover: High visibility cover shields your pack and gear from the elements Stretch Overflow Pocket: Quickly stash or shed an extra layer Secure Zippered Pocket: Keep essentials safe and easy to access Side Stretch Pocket: Expands for extra water bottle or essentials Trekking Pole Attachment: Easily attach and remove poles when needed Tube Trap Management: Keeps your tube secure and accessible when you need it