Mountainsmith Mayhem EVO 30L Backpack vs Tatonka EDC Pack 30 BC
The Mountainsmith Mayhem EVO 30L Backpack is 29L and 1.76kg3.9lb; the Tatonka EDC Pack 30 BC is 30L and 1.79kg3.9lb. The Mountainsmith Mayhem EVO 30L Backpack is 0.03kg0.1lb lighter. The Mountainsmith Mayhem EVO 30L Backpack fits the carry-on limit of 15 of 36 major airlines and the Tatonka EDC Pack 30 BC fits 3; under the seat, 0 and 0 of 26.
| Spec | Mountainsmith Mayhem EVO 30L Backpack | Tatonka EDC Pack 30 BC |
|---|---|---|
| Price | $239.95 | n/a |
| Volume | 29L | 30L |
| Weight | 1.76kg3.9lbBest | 1.79kg3.9lb |
| Carry-on compliance | 42%Best | 8% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 55.9×26.7×17.8cm22×10.5×7in | 60×30×20cm23.5×12×8in |
| Laptop | no laptop sleeve | n/a |
| Bottle pockets | 2 | n/a |
| Opening | Clamshell, Hybrid panel and top loader with wide clamshell style zippered main compartment | n/a |
| Warranty | Lifetime | n/a |
| Torso length | 38.1 to 48.3cm (15 to 19in) | n/a |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | No |
| Frame sheet | Removable | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | Yes | Yes |
| Hip belt | Yes | Removable |
| Sternum strap | Yes | Yes |
| Load lifters | No | Yes |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 420D nylon ripstop dobby with DWR, 150D high density polyester liner, YKK zippers | CORDURA® 500 den, 420 HD Nylon FD |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Mountainsmith Mayhem EVO 30L Backpack | Tatonka EDC Pack 30 BC |
|---|---|---|---|
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| British Airways | Carry-on | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| WestJet | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.