SERT Penumbra 2.0 Backpack Color:Grey The Helix 10 L is

The Helix 10 L is a versatile

Expandable 1L bottle pocket

Effortlessly access your favourite key with the Quick Flip Tool

and civilians alike to keep all those pins and parts from rolling off the workbench and getting lost

fishing bait

SERT Penumbra 2.0 Backpack Color:Grey The Helix 10 L isThe front wall of the main compartment features two zippered pockets (top fabric, bottom mesh). Back wall holds the padded & suspended sleeve for your laptop. The sleeve design is a hybrid. It is part of the main compartment but it can be easily accessed via the top quick access zipper that's behind the carry handle. Tested to fit up to a current 15" MacBook Pro. Top front quick access pocket with loop patch Side zippered access pocket Stretch bottle