Patagonia Tres Backpack 25L vs. Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

Two carry-on travel backpacks, compared spec for spec.

Patagonia Tres Backpack 25L

Front facing view of the Patagonia Tres Backpack 25L
Capacity25 L
Weight0.9 kg
Dimensions48×31×17 cm
Airline fit92%
Price$129

Feature by feature

Patagonia Tres Backpack 25LFeatureHynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
N Passport Y
Y Passthrough Y
Carry
hideable Backpack hideable
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
630-denier 100% nylon, 200-denier 100% recycled polyester210D Polyester

Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

Front facing view of the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag
Capacity36 L
Weight1.15 kg
Dimensions50×34×20 cm
Airline fit91%
Price$60

Key differences between the Patagonia Tres Backpack 25L and Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag

Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 172 accept both. 2 accept only the Patagonia Tres Backpack 25L, and 0 accept only the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag.

Only the Patagonia Tres Backpack 25L fits

Regional Express, Virgin Australia.

Patagonia Tres Backpack 25L vs. Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag: which should you pack?

The Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag carries 11L more than the Patagonia Tres Backpack 25L (25L vs. 36L), while the Patagonia Tres Backpack 25L is the lighter pack at 0.9kg (vs. 1.15kg). For carry-on flexibility, the Patagonia Tres Backpack 25L fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Hynes Eagle 36L Carry on Backpack with RFID Blocking Pocket Weekender Cabin Bag; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.