Features Enter your model number to make sure this fits. Axiom travel back system Large main compartment with internal compression system and accessory pockets Unique top front entry system Expandable day pack with hidden pocket All locking zippers have tamperproof zips Description Product Description For the world traveling trekker, the Lowe Alpine AT Travel Trekker 70+30 gives you plenty of options to haul all of your gear on your next intercontinental trip. Featuring an advanced, fully adjustable Axiom back system that ensures you get the right fit, the AT Travel Trekker 70+30 combines comfortable carrying features with tough materials to give you the durability and comfort you want when you're traveling. A unique top front entry system lets you access your pack quickly and easily, and a removable expandable day pack with a hidden security pocket gets you out light and easy for a day trip. All locking zippers are tamperproof, and a raincover fits over the main bag and the day pack so that you're protected from inclement weather.