Fabrics:
* Solid: 210D recycled nylon ripstop with non-PFC durable water-repellent (non-PFC DWR) finish
* Heather: 300D Heathered recycled polyester ripstop with non-PFC DWR finish

Specs:
* Avg Weight: 2 lbs 15 oz / 1340 g
Dimensions: 12.5 x 9 x 21 in / 31.8 x 22.9 x 53.3 cm
Volume: 2441 cu in / 40 liters
Laptop Sleeve: 14.75 x 12 in / 37.5 x 30.5 cm

Features:
* 360-Degree Reflectivity
* Bottom Compression
* External, Fleece-Lined Pocket For Sunglasses, Phone Or Keys
* Front Compartment Has Internal Organization With Secure-Zip Pockets And A Padded Tablet Sleeve
* Large Main Compartment For Books And Binders
* Large, External D-Zip Pocket For Organization
* Protective Dedicated 17'' Laptop Compartment
* Removable Waist Belt
* Side Compression Straps
* Stand-Up Design For Easier Loading And Unloading
* Sternum Strap With A Whistle Buckle
* The FlexVent™ Suspension System, Certified By The American Chiropractic Association, Has Articulated Shoulder Straps, A Rounded Back Panel, Comfortable Stitch Lines And Soft-Touch Chemise Fabric
* Two Comfortable, Padded Grab Handles, One On Top And One On Front
* Two Durable Water Bottle Pockets
* U-Pull YKK® Zippers Are Easy To Grab