Aer
City Sling 2 Ultra
Best everyday sling for urban commuters needing secure, organized storage.
This essential sling bag is crafted for urban exploration, offering smart organization for your daily essentials. It features premium materials, including a durable exterior and a bluesign® approved interior liner, ensuring longevity. Multiple pockets, including quick-access and secure options, keep your items organized and safe. A unique stowaway strap system allows the bag to convert into a compact storage kit, supporting efficient movement throughout your day.
$109.65
Owner Satisfaction
4.6
/ 5
Category Rank
292
/ 2015
#292 in Fanny Packs
Price vs Category Average
+73%
Above average
Exterior Material
400
/ UltraX by Challenge Sailcloth
Who it's for
- Commuters needing lightweight, weather-resistant gear for daily travel
- Organized travelers who value dedicated storage for small tech essentials
- Minimalists seeking a low-profile bag for sleek city carry
Who should skip it
- Budget-conscious shoppers looking for value over high-tech materials
- Users carrying bulky items like water bottles or large headphones
- People who prefer soft, pliable fabrics over stiff, structured materials
Performance breakdown
Material Durability
Ultra400X fabric provides exceptional abrasion resistance for demanding urban environments.
Organization Efficiency
Thoughtful pocket placement keeps daily essentials accessible and perfectly sorted.
Hardware Reliability
YKK zippers and Fidlock magnetic buckles ensure smooth, secure daily operation.
Versatility
Stowaway strap design allows seamless transition from sling to storage kit.
Security Features
Hidden back pocket offers peace of mind for high-value travel items.
Ergonomic Comfort
Compact profile maintains a low center of gravity during active movement.
Key Specs
Exterior Material
Ultra400X by Challenge Sailcloth
Interior Material
Nylon ripstop liner (bluesign® approved)
Hardware
YKK® zippers and Aircraft-grade aluminum tension locks
Strap Closure
Fidlock® magnetic V-BUCKLE
Length
13 inches (33 cm)
Width
4.75 inches (12 cm)
Depth
3.5 inches (9 cm)
Weight
0.9 lbs
Know before you buy
Ultra400X is a high-performance laminate from Challenge Sailcloth that offers superior tear and abrasion resistance while remaining lightweight. It is significantly more durable than standard nylon, making it ideal for daily urban wear and tear.
The sling strap can be tucked away into the bag's internal compartments, allowing you to carry the City Sling 2 Ultra as a standalone storage kit or organizer pouch. This is useful if you want to pack the bag inside a larger backpack while keeping your essentials contained.
Yes, the Fidlock V-BUCKLE uses a magnetic-mechanical design that is very secure once engaged. It is designed to stay locked under tension but can be easily released with a quick slide motion when you need to take the bag off.
Yes, the internal organization is designed specifically for everyday carry items like smartphones, wallets, and keys. The secure back pocket is sized perfectly to keep a passport or other flat valuables close to your body.
Yes, the bag features a quick-grab top handle that allows you to carry it like a small pouch or briefcase. It is a convenient option for when you are moving through crowded areas or transitioning from a sling to a storage kit.
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