Boundary Supply Rennen Recycled Daypack vs. Kathmandu Cotinga Kid's Pack
Two carry-on travel backpacks, compared spec for spec.
Boundary Supply Rennen Recycled Daypack
| Capacity | 22 L |
| Weight | 0.9 kg |
| Dimensions | 46×28×18 cm |
| Airline fit | 95% |
| Price | $140 |
Feature by feature
| Boundary Supply Rennen Recycled Daypack | Feature | Kathmandu Cotinga Kid's Pack |
|---|---|---|
| Storage | ||
| N | Compression | Y |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | N |
| Inside | ||
| 15in | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1 | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| RE-3™ 600/500D Eco Cordura® | 100% Polyester |
Kathmandu Cotinga Kid's Pack
| Capacity | 20 L |
| Weight | 0.42 kg |
| Dimensions | 41×27×20.5 cm |
| Airline fit | 76% |
| Price | $60 |
Key differences between the Boundary Supply Rennen Recycled Daypack and Kathmandu Cotinga Kid's Pack
- Compression straps: No on the Boundary Supply Rennen Recycled Daypack; Yes on the Kathmandu Cotinga Kid's Pack.
- Laptop sleeve: 15in on the Boundary Supply Rennen Recycled Daypack; No on the Kathmandu Cotinga Kid's Pack.
- Built-in organizer: No on the Boundary Supply Rennen Recycled Daypack; Yes on the Kathmandu Cotinga Kid's Pack.
Both have: backpack straps, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 143 accept both. 36 accept only the Boundary Supply Rennen Recycled Daypack, and 1 accept only the Kathmandu Cotinga Kid's Pack.
Only the Boundary Supply Rennen Recycled Daypack fits
Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.
Only the Kathmandu Cotinga Kid's Pack fits
Gulf Air.
Boundary Supply Rennen Recycled Daypack vs. Kathmandu Cotinga Kid's Pack: which should you pack?
The Boundary Supply Rennen Recycled Daypack carries 2L more than the Kathmandu Cotinga Kid's Pack (22L vs. 20L), while the Kathmandu Cotinga Kid's Pack is the lighter pack at 0.42kg (vs. 0.9kg). For carry-on flexibility, the Boundary Supply Rennen Recycled Daypack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Rennen Recycled Daypack; if you want to travel lighter, the Kathmandu Cotinga Kid's Pack is the better call.