Pack it for a day, or slightly longer, when your trail time could turn into an overnight. This pack features a highly breathable back panel and shoulder straps, a front-loading stuff pocket and a lid that automatically closes when you pull the drawstring. Made of rugged 100% recycled nylon. Details Made of Recycled Materials: Built of rugged 100% recycled nylon Comfortable Shoulder Straps: Highly breathable Regulator® airmesh shoulder straps and hip belt Back Panel Engineered for All-Day Wear: Suspended mesh back-panel construction provides excellent airflow and prevents moisture buildup for all-day comfort Versatile Hip Belt: On-the-go accessible hip belt and side pockets secure small items while on the move Hydration Compatible: Sleeve can hold gear and is also hydration compatible Handy Cover: Rain cover included Zippered Pockets: Lid and internal security pockets zip to keep items safe Country of Origin: Made in Vietnam. Weight: 797 g (1 lb 12 oz) Technical Specifications Size Torso Waist Small/Medium 16"-19" 26"-47" Large/X-Large 19"-21" 28"-49"