Cool Student Backpack Size:One Size The filter membrane density has

The filter membrane density has been optimized for flow rate and the over-cap features and smart seal mouthpiece prevent leakage

It comes in a discrete storage tube that fits easily into a purse or backpack

Activity: Youth Backpacking

Contoured double layer in high wear areas

To heck with pesky

Cool Student Backpack Size:One Size The filter membrane density hasThe JanSport Cool Student Backpack has all the great features of our Big Student, plus a sleeve for a 15 inch laptop and synthetic leather base and trim. Go ahead, say it: That's cool. It has two main compartments for optimal space, a side bottle pocket that stretches to fit large bottles, and more. Two main compartments for optimal space and organization Side bottle pocket stretches to fit large bottles Internal sleeve designed to fit a 15 inch