SUSTAINABILITY: bluesign(R) is a strict international criteria that ensures the protection of workers, consumers, and the environment SPECS: Volume: 18 L STORAGE: Top pocket provide easy access to essential everyday items like phone, glasses, keys Side pockets provide quick access to water bottle, nutrition or tools DESIGN & DETAILS: A versatile 18L daypack that can do it all wherever you go - out on the trail, in town, or on your travels Streamlined enough for traveling, a day hike, or a trip into town, but large enough to bring extra layers, food, and other supplies Breathable air mesh back panel provides comfortable, lightweight support and ventilation Custom-fit rain cover protects your gear in the wettest of weather and stows neatly in the pack sidewall when the sun begins to shine again Waist strap provides extra stability to enhance mobility on the trail, but can be detached for casual simplicity when heading into town Attachment loops let you store your trekking poles when not in use