Epic 10.3
Epic 10.3
FREE USA SHIPPING AND RETURNS, LIFETIME GUARANTEE
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Perfect for half-day adventures, or those who simply don't need the larger size and capacity of the Epic 14.4. Click for Epic 10.3 review at The Radavist
UPDATE:
We are currently transitioning our hydration reservoirs to Hydrapak® from our previous supplier, TSI. During this rolling change, the reservoir included depends on the pack color selected:
- Black: Ships with TSI reservoir assembly (pictured).
- Sand: Ships with Hydrapak Compact 3L reservoir assembly (3L version of the 2L reservoir the Swift 6.2 has)
Features
- 10 liters of overall storage, 3 liter hydration capacity from included bladder.
- Low-profile lumbar design keeps the weight on your hips (and off your shoulders) and doesn't hit the back of your helmet while riding steep terrain or jumps.
- Industry-largest side pockets for easy one-handed access to ride essentials (phone, food, multi-tool, etc.) without removing the pack.
- Dual-purpose waist cinch secures the pack to your body and compresses pack contents for bounce-free descents.
- 3/4-zip large main compartment with separate area for hydration bladder makes stuffing oversize loads into the bottom of the pack easier.
- Top-zip secondary compartment for tool storage with divider and key clip. Large enough for high capacity MTB pumps and tubes.
- Low, wide, easy-fill hydration reservoir with quick-disconnect and large opening makes for easy cleaning, adding ice, etc.
- Minimalistic lash points on bottom for extra storage if needed.
- Oversized, durable YKK zippers and 210D nylon construction meant to handle all the dirt, sweat, sun and neglect you can throw at it. Made in a top-shelf factory that also makes outdoor gear for first responders.
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Helmet storage using shoulder straps.
- 1.5" wide waist strap for less pressure on your stomach.
- Soft, protected, tech pocket for fragile/small items.
- Velcro webbing keepers to minimize flappy excess material.
- Covered by our lifetime True North guarantee.
Fit
Our packs typically fit folks between 5'4" and 6'5". Near or below 5'4", particularly if you have a smaller frame, you may run out of adjustment room on the shoulder straps. Users slightly over 6'5" may be ok, depending on other dimensions (chest/torso size, etc.). We are happy to send you a free return label if it doesn't fit.
If you're close to the ends of our adjustment range, we have detailed fit videos available to give you the best shot of our packs fitting you.
Note: We are actively developing smaller strap sizes to accommodate those below 5'4", launching late-2026.

I want to state that this pack is truly amazing. I traditionally hate wearing packs of any kind. It is unnatural and affects your freedom to move about on the bike. However this pack is a game charger. No issues going downhill, jumping, etc. It takes all the weight off your shoulders and the straps have a great flex to them. Plus it carries a lot of water for the size! Finally I spoke with Ken on some questions I had about my order and his customer service was also 5-star! Great job Arctos!
- Jesse
By far the most comfortable pack I have ever used. Even filling the water bag does not effort comfort.
Finally! The perfect riding pack!
Really nice pack thanks
This pack rules. I barely realize that it's even on me. Often on shorter rides, one will opt to not take anything with, but I believe it's still a good idea to have basic tools, a pump and water. This pack makes taking those essentials along an easy decision. The pack also stays put when shifting around, as advertised. I would highly recommend this product to my mountain biker friends if I had any of those haha.