Epic 10.3
Epic 10.3
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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" well. Below 5'4", particularly if you have a smaller frame, you may run into adjustment issues. 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.
Note: We are actively developing smaller sizes to accommodate those below 5'4", launching mid-2026.

Really like how it sits on your lower back, but you don't feel the weight. Especially when climbing. Descending, it doesn't climbup your back. I can carry plenty of water and food.
Great pack! Feels very light and doesn't move around when getting rowdy. Quick shipping and the support team was very fast to respond to questions. Thanks Arctos!
Best pack on the market for MTB hands down
Hands down the most comfortable pack I have ever used. I have been mountain biking for 34 years. I have tried a lot of different packs. This one is by far the most comfortable. Not to mention it doesn't bounce around on the downhills. It has far exceeded my expectations!
Wow! This is a very nice pack. I can't believe how much it can hold. Not only a lot of water, but extra clothing, food, and more, while keeping all of that still and not bouncing around. Well done!
My only suggestion, add a loop to the top of the hydration bladder pocket for the bladder buckle to pass through. I think this would help secure the bladder just a little bit more. This is more of just a nit-pick though, and something I could add on my own. Very well done overall!