What are the dimensions of the 15" and 17" versions? The description seems to only have 13" dimensions.

15" : 6.3 x 11 x 15.8 and 17": 7.1 x 11.8 x 16.5 inches

Does the side pocket hold a Nalgene or similar 32-oz. bottle?

Not a nalgene, but a large water bottle

Will i be able to fit my hp omen 17 (16.3 x 10.98 x 1.17 in) in the 17'' bag？

Yes, this will fit a 17'' laptop.

Is this a real Kanken?

I bought this backpack and I can attest that yes, this is a real Kanken. The quality speaks for itself. Two years of undergrad and now I use it for work.

Outer Material	Faux Leather
Material Type	Canvas
Shell Type	Soft Shell
Lining Description	Cotton
Product Care Instructions	Hand Wash Only
Item Weight	500 Grams
Item Dimensions D x W x H	11.81"D x 16.93"W x 7.09"H
Storage Volume	20 Liters
Unit Count	1.00 Count
Item Shape	Rectangular
Color	Graphite
Pattern	Solid
character	Fjällräven
Backpack Design	Laptop Backpack
Style Name	Kanken 17"
Number Of Pockets	5
Apparel Closure Type	Zipper
Water Resistance Level	Water Resistant
Pocket Description	Utility Pocket
Compatible Device Size Maximum	17 Inches
Strap Type	Adjustable, Padded Strap
Embellishment Feature	Zipper

Fjallraven

الوصف

المواصفات

الأسئلة الشائعة