The 28.25 liter slim profile, comfortable suspension system, and organization of this meticulous design, combines to create a pack equally suitable for a short run between classes, the bike ride home, or a weekend day hike. Thoughtful protection and strategic structuring reverberate like a ï¿½hmmm echo, through every robust feature of the Granite Gear Echo. Built on Granite Gears tested suspension system and made from weather resistant Repelaweave and Taurbalite fabrics this is a pack you can count on no matter what the day throws your way. Organized to make loading and finding a breeze it boasts multiple compartments; a tricot-lined pocket, for scratch-free storage of valuables; and a Gear-Tec computer sleeve, extending special protection to your laptop. On the outside, adjustable compression straps eliminate unwanted item movement and lash points give you the added option of exterior attachment. More protection, better organization, less stressï¿½. Make your day a little better, carry an Echo.