





Peak Design Outdoor Sling 4L Black Ultralight Cross Body Bag Detachable Strap
Couldn't Load Pickup availability
Outdoor Sling 4L Black
BAS-4-BK-1
The perfect middle ground between our 2L and 7L models, the Outdoor Sling 4L is an ultralight cross-body bag toes the line between organization and compactness. The convenient pocket layout of our 7L sling, but with a smaller footprint that's perfect for carrying adventure essentials, and then some.
- Phone Pocket Capacity
- Fits up to iPhone 16 Pro Max, Samsung S24+
- Phone is meant to be inserted at an angle. Pocket opening is narrower & has magnetic clasp to prevent phone from falling out.
- Pocket opening width: 19cm
Use the 4L Sling on it's own, or as a sidekick to one of our Outdoor Backpacks. A quick-adjusting padded shoulder strap allows comfy cross-body carry, and is easy to remove, reverse, or clip around other things thanks to it's custom glass-reinforced nylon hardware. The strap also allows for waist carry. The lightweight Terra Shell™ 210D ripstop 100% recycled nylon exterior is abrasion resistant and weatherproof thanks to a PU-coating, PFAS-free water resistance treatment, and burly #5 weatherproof UltraZip™.
There's a padded drop pocket for your phone with magnetic closure, an external zip pocket with a key tether, and 3 internal mesh pockets for sequestering small stuff. Fair Trade Certified and Climate Label Certified.
Explore the full range in Slings & Bags.
Specification
| Weight | 185g (0.41 lbs) |
|---|---|
More specs
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What's Included
- Outdoor Sling 4L
- Key Tether
- Cord Hook™ Stabilizer Strap
Peak Design
About the Peak Design BAS-4-BK-1
From our tech experts at CEN
A Peak Design accessory, built to work with the rest of their system rather than as a standalone item.
Who it suits
Existing Peak Design owners extending a setup they already use.
Our tech experts advise
Compatibility is worth checking against the specific version you own, as the system has evolved through several generations. get in touch if you are unsure.
Explore the full Peak Design range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Peak Design
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Frequently Asked Questions
Q: Will this strap fit my camera?
A: Straps using standard lug or anchor attachments fit the vast majority of cameras. The attachment system is described in the product description, and quick-release anchors fit any camera with a standard strap lug.
Q: How much weight can this strap hold?
A: Load ratings are listed in the Specification tab where provided. Quality straps are rated well beyond the weight of any camera and lens combination, including pro bodies with heavy glass.
Q: Can I swap the strap between cameras quickly?
A: Quick-release anchor systems let you move one strap between multiple cameras or remove it entirely for tripod work in seconds. Extra anchor sets are available for a second body.




































