Phone Outside. Essentials Inside.
Keep your phone on the accessible exterior mount while cards, power banks and other essentials remain in the bag.
AULUMU B01 Urban Transit Sling Bag – Expandable Storage with Magnetic Phone Mount
AULUMU B01 Urban Transit Sling Bag – Expandable Storage with Magnetic Phone Mount
MADE IN
State of Colorado
SHOPIFY
SECURE
Regular price
$39.99
Regular price
$39.99
Sale price
$69.99
Unit price
per
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AULUMU B01 Urban Transit Sling Bag – Expandable Storage with Magnetic Phone Mount
Regular price
$39.99
Regular price
$39.99
Sale price
$69.99
Unit price
per
Global Delivery
Worldwide Shipping
Fast dispatch with tracking updates
Ready To Ship
24–48H
›
Oct 7th
Ordered
Oct 8th – Oct 9th
Order Ready
Oct 17th – Oct 19th
Estimated Delivery
Tracking information sent once your order ships
AULUMU · Urban Gear Series
YOUR PHONE. RIGHT WHERE YOU NEED IT.
Stop digging through your bag every time you need your phone. The B01 combines a detachable magnetic phone compartment with expandable everyday storage, so your phone stays within easy reach while your daily essentials stay organized.
Quick Phone Access
Expandable Storage
X-Pac Technical Fabric
Fidlock Magnetic Buckle
YKK Zippers
Less Searching · More Moving
NO MORE DIGGING THROUGH YOUR BAG FOR YOUR PHONE.
Maps, calls, messages and payments all require quick access. The detachable magnetic phone compartment moves your compatible phone to the outside of the bag, so you can reach it without opening the main compartment.
Detach, Access, Reattach
The magnetic compartment can be detached for phone access and snapped back into position when you're ready to move.
Made for Everyday Movement
A practical setup for city commutes, urban exploration and lightweight travel.
Designed Around Your Phone
A MAGNETIC MOUNT THAT BECOMES PART OF YOUR CARRY SETUP.
The B01's detachable aluminum phone compartment is more than a pocket. Its distinctive mechanical mounting system lets you move your compatible phone between accessible carrying and secure storage.
Distinctive Aluminum Hardware
Precision-style metal components give the phone compartment a technical, engineered appearance.
Adjustable Phone Compartment
The compartment width can be adjusted using its knob for supported iPhone models.
Modular B01 / B02 System
The compatible magnetic compartment can be switched between the B01 and B02 bags, offering more flexibility if you use both carrying styles.
Phone In Reach
A dedicated magnetic compartment for supported iPhone models
Compact When You Need It
SLIM FOR THE DAILY COMMUTE. ROOMIER WHEN PLANS CHANGE.
Keep the bag streamlined for lighter carry, then open the expansion compartment when you need more room. The B01 adjusts from approximately 2.5L to 3.5L for everyday tech and compact travel essentials.
2.5L → 3.5L
Expandable capacity for changing everyday carry needs
2.5L Standard Capacity
Keep the profile slim while carrying your daily essentials and compact tech accessories.
Expand to 3.5L
Open the expansion section for additional room when you need to carry a little more.
For Everyday Tech and Travel Essentials
Organize items such as a power bank, card holder, earbuds, passport and compact umbrella.
Everything Has Its Place
SMALL ESSENTIALS. A SMARTER WAY TO CARRY THEM.
Keep frequently used items organized instead of letting everything collect in one main compartment. The B01 combines dedicated storage areas with an expandable main section for a more practical everyday carry setup.
Dedicated Card Storage
Keep cards and small everyday items organized inside the bag.
Internal Key Hook
Attach your keys to the internal hook to help keep them easy to locate.
Space for Everyday Gadgets
Carry compact electronics, a power bank, charging accessories and other daily essentials.
Hidden Back Storage
The rear storage compartment provides another place for selected personal essentials.
Technical Details Matter
TECHNICAL FABRIC. RELIABLE HARDWARE. CLEAN URBAN DESIGN.
From the technical X-Pac fabric to the magnetic buckle and YKK zippers, the B01 focuses on functional details made for frequent everyday use.
X-Pac Technical Fabric
Lightweight, water-resistant and wear-resistant fabric designed for everyday urban carry. The bag is water-resistant, not fully waterproof.
Fidlock Magnetic Buckle
Magnetic guidance combines with mechanical locking to provide convenient buckle operation and a secure closure.
YKK Zippers
Smooth-opening zippers designed to support frequent access to your everyday essentials.
Built for Urban Movement
FROM DAILY COMMUTES TO WEEKEND CITY EXPLORATION.
An adjustable crossbody strap and compact shape make the B01 a versatile companion for city life. Carry it close to the body and adjust the strap to suit your preferred fit.
Daily Commuting
Keep your phone and everyday essentials within easy reach during city travel.
Urban Exploration
Carry compact gear while navigating the city, stopping for photos or checking directions.
Lightweight Travel
Organize travel essentials such as cards, a passport, earbuds and charging accessories for short trips.
Your Gear · Your Style
TECHNICAL DETAILS. MINIMALIST LOOK. EVERYDAY VERSATILITY.
The B01 combines a streamlined silhouette with visible technical hardware and functional storage. Its adjustable strap lets you fine-tune the fit for your preferred crossbody position.
Matte Black
An understated, technical finish for a clean everyday carry setup.
Glossy Black
A more reflective look with a distinctive technical style.
Pulse Green
An alternative color option with an outdoor-inspired urban aesthetic.
Product Specifications
THE DETAILS, AT A GLANCE.
Product Name
AULUMU B01 Urban Transit Gear Sling Bag
Weight
Approximately 400 g / 14.1 oz
Standard Capacity
Approximately 2.5 L
Expanded Capacity
Approximately 3.5 L
Dimensions
30.5 cm H × 18.5 cm W × 1.8 cm D
in standard configuration;
approximately 9 cm deep when expanded
Main Material
X-Pac Technical Fabric
Hardware
Detachable Aluminum Magnetic Phone Compartment,
Fidlock Magnetic Buckle and YKK Zippers
Strap
Adjustable Crossbody Shoulder Strap
Color Options
Matte Black, Glossy Black, Pulse Green
Phone Compatibility
iPhone 12 series and later iPhone models;
use with a MagSafe-compatible phone case
Before You Choose
QUICK ANSWERS FOR YOUR NEXT CARRY SETUP.
What makes the B01 different from a regular sling bag?
The B01 combines expandable storage with a detachable
magnetic phone compartment. A compatible phone can
be carried on the exterior mount for easier access
without opening the main bag.
How much can the bag hold?
The bag offers approximately 2.5L of standard capacity
and expands to approximately 3.5L when the expansion
compartment is opened.
Which phones work with the magnetic compartment?
The magnetic compartment is compatible with the
iPhone 12 series and all later iPhone models.
Other smartphone brands and models are not supported.
Please use a MagSafe-compatible phone case.
Is the bag completely waterproof?
No. The X-Pac technical fabric is water-resistant
and suitable for light rain and everyday splashes,
but the bag is not fully waterproof.
Avoid prolonged exposure to heavy rain.
Can the magnetic compartment be moved to a B02 bag?
Yes. The compatible magnetic compartment is designed
to be interchangeable between the B01 and B02 bags.
Can I adjust the shoulder strap?
Yes. The shoulder strap is adjustable to help you
customize the fit and carrying position.
The B01 strap itself is not removable.
What can I carry inside?
The B01 is designed for everyday essentials such as
a power bank, card holder, earbuds, passport,
charging accessories and a compact umbrella.
Larger items may require a backpack or suitcase.
Is the magnetic phone compartment suitable for high-impact activities?
The magnetic compartment is intended for everyday
phone access. For strenuous exercise or high-impact
activities, store your phone inside the bag instead.
Everyday Carry · Reimagined
CARRY SMARTER. MOVE FREELY. KEEP YOUR PHONE CLOSE.
A detachable magnetic phone mount, expandable 2.5L–3.5L storage and technical urban styling — designed to keep your essentials organized and your phone within easy reach.
