Capacity: 1. An extension collar with two drawstrings on the top can expand the pack and increase the main compartment capacity by 5 liters. 2. Front sleeping bag compartment with divider. 3. Internal hydration bladder's compartment and one external hydration access for the tube (water bladder not included). 4. There are 2 hip-belt pockets,2 lid pockets,1 bladder sleeve,1 rain cover compartment and two elastic bottle pouches. Perfect for separating and organize your gear and small items . Bearing system: 5. Torso-length adjustment. 6. Sternum strap with emergency whistle buckle, available to adjust up and down . 7. Deep and dense padded shoulder straps and hip-belt promoting air circulation along your back and shoulders. 8. Trekking pole attachment and bottom loops for ice axe or hiking poles. 9. Two key rings in main compartment for your keys or water bladder. 10. Both sides of the shoulder straps has a d-shape hook, in which small items can be linked. Washing & maintenance instruction: 1. Water-resistant coating fabric. Please don't wash with liquid detergent or bleach. 2. Clean with wet cloth if necessary. 3. Dry naturally. 4. Please do not iron it.

• High-capacity- 60L (3,661 cube inches)
• Water-resistant: Water-resistant nylon as the fabric can quickly slide water
• Super carry CR adjustable weight decomposition system
• YKK zip and buckle

High-capacity- 60L (3,661 cube inches)Mountaintop Outdoor Equipment Co.,LTD