Mach 1

I chose the Mach 1 over the 3 or 5 for a reason (it wasn't because of the price either). I didn't want a huge pack, I felt like the 5 would be just too big. Nice for putting stuff in but not for wearing. So the 5 was out. I saw a 3 at a local store, I liked the size of that one. I didn't choose the 3 for two reasons. First, the 3 and 5 have some negative reviews about the exterior of the pack being easy to scratch. They say that the pack looks great out of the box but after some use the scratches look bad. They say that the exterior scratches so easy you can scrape it just by setting it on the ground. That wasn't attractive. Besides that the 3 just didn't seem worth the extra money just for some more pockets on the inside. So I decided that the 1 was probably the one for me... it was.The bag looks great. The outside is durable and looks like it will look good for a long time. Also, the bag just looks good in general. The design, hard side and sleek fabric just overall look great. Then you open it up. After reading some reviews about the 3&5 I expected to find a big empty open space with no compartments but that's not the case. There's a nice laptop pocket with a stretchable closure that make it pretty universal. There's another pouch for a hydration pack if that's your thing too. I was hoping the laptop pouch would fit my MacBook Pro 15," well it does, in fact it fits my wife's MacBook Pro 17" with no problems. And with the closure strap they both fit great, the 17" isn't too big and the 15" isn't too small. There will be room for my computer, a pair of shoes, set or rain gear a water bottle and maybe a little room if you need to go to the store and pick something up on the way home. Exactly what I wanted it for. I recommend it to anyone looking for the same.

This bag is definitely worth the money. I got mine for around $80 USD and it has exceeded my expectations. It is very comfortable and aerodynamic. Size wise, I have not had any experience with the bigger models but this fits me perfect. I commute with my 14'' laptop and misc items such as a pair of extra clothes, some workout gear, and just everyday items. They all fit fine as loing as you don't mind keeping your things organized. Best quality about the bag? Besides the aggressive and amazing look of the bag (the turtle shell look it impressive and I get compliments everywhere I go) and the cool dark color look to it, I have been through HARD RAIN, and I mean HARD, all my items inside, BONE DRY. This was huge for me, the rounded build and the material used for this back allows rain to just run down it keeping everything safe. The zipper is against your body so water has no business going inside and destroying your belongings. 5 out 5 guys, get this bag!

large pocket for my laptop, tablet, and cell phone, plus a large area for all the extras I need for work. shoulder straps are comfortable for the 20 mile commute to work and plenty adjustable for either a light hoodie to a heavy leather jacket. This is my second OGIO, the first one lasted for over 10 years of riding to and from work and for weekend riding.

Good amount of space, comfortable straps. Stays planted during rides. Laptop securely in place

Love this backpack. Comfortable. Perfect for all my gear, day and overnight. Sleek design and as aerodynamic as advertised. Would buy it again in a heartbeat!

Very spacious, comfortable, I get compliments that it looks cool. I've been asked twice, since I had it (about a week) what the name of the backpack was, so they could get one. I ride a Harley and I wear it on me whenever I need to bring my tablet, phone, portable chargers and gun with me. Has enough space in the back portion for a half-helmet to fit, a jacket, gloves, glasses, my cell phone, and even a laptop. The back portion is a hard material, likely plastic, and has a nice material covering it. I've gone on speeds up to 85mph with it on my back, on the freeway and it dose not lift away from your back; it is secure and snug. The aerodynamic design allows it to remain on your back with little to no drag. Overall a great product, would recommend to any rider looking for a solid backpack that stays on your back, without worry, while riding.

I bought this because I didnt want a large back pack. It holds quite a bit but I use it mainly to transport lunch and cloths to work. A nice clip on front to hold straps together so it does not slide at all. It is full length but fits snugly against my back and does not catch wind at 100+ mph.

No major complaints with this bag, I really do like it, but I probably should have purchased the Mach 5. This bag is very simple, it has a couple slots to stash a laptop/couple items, but for the most part, it's one big compartment. I underestimated the number of small items I typically carry with me for work and the gym (adapters, cords, etc...) This bag has forced me to consolidate and travel smarter (which is actually a good thing), but I still think the extra pockets in the Mach 5 would have made it a little easier to use.Great bag otherwise, just make sure you have a good idea of what you want to typically carry with you and how it'll be organized within the bag. Rides well while on the bike, hardly know its there.