DAY OFFICE SUNDAY GREY Backpack: Commuter Carry Guide
By Eastpak Official Store | Built To Resist | 30 Year Warranty | Published: 2026-11-04
Category: How-to Guides
Set up the DAY OFFICE SUNDAY GREY backpack for a calm daily commute. Follow six practical steps to organize your laptop, bottle, and valuables without overpacking.
Quick answer
Start with the heaviest item against your back, then use the DAY OFFICE SUNDAY GREY backpack's external laptop sleeve and side bottle holder to keep the main compartment free for the rest of your day. Finish by moving cards, keys, and transit passes into the hidden security pocket before you leave.
Why the external laptop sleeve changes your packing order
Most commuter backpacks ask you to open the main compartment to reach a laptop. The DAY OFFICE SUNDAY GREY backpack puts the laptop sleeve on the outside, which means your computer goes in last, not first. That changes the order: pack the main compartment around the space your laptop would otherwise take, then slide the device into its own sleeve.
The sleeve fits devices up to 16 inches. If your laptop is larger, this bag is not the right match; check the device size before you build a routine around it.
What to keep out of the main compartment
The side bottle holder and hidden security pocket are the two features that separate a work backpack from a gym duffel. Use them deliberately. A bottle loose in the main compartment can leak onto papers and cables, and a wallet loose in a front pocket is the first thing a pickpocket checks.
The hidden security pocket is best for items you touch only at the start and end of the commute: transit card, office access card, and a spare key. Keeping those out of the main compartment also means you are not opening the bag wide on a crowded platform.
Six steps to set up your commuter backpack
- Empty the bag and check the laptop sleeve: Before you pack, slide your laptop into the external sleeve to confirm it fits. The sleeve is sized for devices up to 16 inches. Common mistake: assuming a 17-inch work laptop will squeeze in, then forcing the zipper. If it does not fit, stop here and choose a different bag. Test the laptop fit before you commit to a daily packing routine.
- Put the heaviest items against your back: Place your laptop charger, notebook, or lunch box at the back of the main compartment, closest to your spine. This keeps the load stable when you walk or stand on transit. Common mistake: dropping a heavy charger at the front, which makes the bag sag away from your back. Heavy items go closest to your back, not closest to the front pocket.
- Fill the main compartment with soft items: Use the middle and front of the main compartment for a light jacket, a pouch of cables, and any papers that do not need to stay flat. Leave the laptop out for now. Common mistake: packing the main compartment so full that the external sleeve bulges and the laptop becomes hard to slide in. Keep the main compartment soft enough that the external sleeve stays flat.
- Load the side bottle holder: Put your bottle in the side holder and check that it sits upright. A bottle with a secure lid belongs here; an open cup does not. Common mistake: carrying a bottle loose in the main compartment, where it can leak onto your laptop charger or papers. Only a closed bottle goes in the side holder.
- Move valuables to the hidden security pocket: Place your transit card, office access card, spare key, and a thin wallet in the hidden security pocket. Keep them there for the whole commute. Common mistake: using the security pocket for a phone you check constantly, which defeats the point of a hidden pocket. The security pocket is for items you need only at the start and end of the trip.
- Slide the laptop in last and do a final check: With the main compartment packed, slide the laptop into the external sleeve and close it. Lift the bag by one shoulder strap and feel whether it hangs level. Common mistake: skipping this check and discovering on the platform that the bag pulls to one side because the bottle and charger are both on the same side. Balance the bag left to right before you leave home.
Product facts
- DAY OFFICE SUNDAY GREY: External laptop sleeve accommodates devices up to 16 inches. You can pack the main compartment first and slide the laptop in last, so the bag stays balanced and the device is easy to remove at security or your desk.
DAY OFFICE SUNDAY GREY - DAY OFFICE SUNDAY GREY: Side bottle holder keeps your drink within easy reach. A bottle in the side holder stays upright and away from paperwork, cables, and your laptop sleeve.
- DAY OFFICE SUNDAY GREY: Hidden security pocket protects valuables while on the move. Cards and keys stay out of the main compartment, so you open the bag less often in crowds.
