Heavier than some competitors at approximately 3.8 pounds
They have tried to maximize just about every internal system with D2 gear design, MagTrax magnetic braking system, and compact recurved handles

Quantum-X Features PB SCLC Shell - Premium materials for high strength energy dispersion and lightweight feel R75 Egg Shape Form (ESF) - Natural head shape contours and strengthened throughout the length of shell Glance-off Improvement - Redesigned shell and VAS placement for more aerodynamics and less catching on stationary objects during a slide QVF/QVR Duct System - Improved ventilation, more performance with easier operability Variable Axis System (VAS) - Exclusive to Arai, moving pivot point for easier operability and shield changes VAS Latch System - De-mist function and has a secure hold VAS MV Shield - All-season visibility Includes clear Pinlock 120 insert lens Odor Resistant Liner - Natural pH balance premium material Removable Padding - Customized fit with added temple padding and neck roll Emergency Release Tab Snell M2020 and DOT approved Arais leading 5-Year Warranty PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov Note: Due to manufacturer restrictions, this product can only be shipped to addresses within the United States.

With this type of volume, this is a great pack to not only use as a bike commuter backpack but to make a store run on the way home and pick up a few items for dinner
As time went by, the new logo helped to clear up any confusion in the marketplace about what brand a parent, or anyone else for that matter, might actually be buying there would be no mistake that it was a Burton product