Forget everything you thought you knew about a simple sling pack. The Transport EXP 18 Sling Daypack is a shape-shifter built for the restless—whether you're navigating urban streets or hitting the trail. Multiple storage zones, a side-entry laptop pocket, and full molle compatibility let you customize your carry. Designed specifically for GRAYL bottles with our BottleDrop™ and BottleLock® systems, plus Velcro® and clip-in panels for modular pouches. Constructed from 100% recycled nylon with stretch woven fabrics and YKK® AquaGuard® water-resistant zips. This is versatility without compromise.