Tech Specs:

Material:

420D Velocity nylon, 430 ballistic nylon, Hypalon 

Dimensions:

[M] 15.5 x 9.5 x 10.25in (39.25 x 24 x 26cm); [L] 17 x 10.75 x 12.5in (43 x 27.5 x 31.75cm) 

Suspension:

Removable padded shoulder strap 

Rain Cover:

Yes 

Access Types:

Top 

External Pockets:

1 Zippered, 1 water bottle,1 sleeve to slide onto luggage handle 

Internal Dividers:

Memory card organizer, 1 notepad sleeve, adjustable internal dividers 

Dedicated Computer Sleeve:

Yes, large fits up to 17in laptop 

Weight:

[M] 4lb 6oz (1900g); [L] 5lb 7oz (2500g) 

Recommended Use:

Travel, photo gigs, commuting