STM Prime Backpack for 13" Laptop & Tablet -Steel (stm-111-118M-56) SlingTech System - a padded sling suspends your devices from the bag's floor, and the bottom corners are wrapped in additional padding for the ultimate in digital gear protection Water resistant fabric for years of durable transport Front overflow pocket for quick, easy access storage Stretch side pockets for a water bottle or umbrella Contoured main zipper allows easy access and storage of your digital and daily essentials Dedicated internal pocket for cables, chargers and accessories External quick access fleece lined pocket