Outdoor Sling 4L Peak Design BAS-4-BK-1 Sling Bags 4L / Black

Peak Design

Outdoor Sling 4L

£69.95

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Colour: Black

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Compact, capable and ready to roam

This is the sling that keeps up with life in motion. Whether you’re summiting a local peak, exploring city backstreets, or cycling out to the coast, the Peak Design Outdoor Sling offers rugged weatherproof versatility in a minimalist, easy-to-carry design. Available in 2L, 4L, or 7L capacities, it’s built for those who travel light but carry gear that works hard. With a fast-adjusting strap and intuitive access layout, it’s perfect for on-the-fly photographers, hikers needing quick access to snacks and essentials, or commuters wanting something compact but capable. You can wear it crossbody, sling it over your shoulder, strap it to your backpack, or even wear it around your waist like a bumbag — it’s a versatile bit of kit that adapts to every kind of mission. And being crafted from 100% recycled weatherproof nylon, it’s built with the same ultra-durable ethos that’s made Peak Design a favourite among pro adventurers and creatives alike.

FEATURES
SPECS
MATERIALS
ECO CREDENTIALS
THE BRAND

- Available in 2L, 4L, and 7L sizes
- Rugged, recycled 210D weatherproof nylon canvas shell
- Adjustable strap for quick, stable fit
- 3 internal pockets allow for optimum organisation
- Comes with quick-access drop pocket for a phone (fits up to an iPhone 15 Pro Max)
- Can be strapped to your pack, worn around waist or carried crossbody

Feature	Details
External Dimensions	31.0 x 17.5 x 5.0 cm
Internal Dimensions	30.5 x 17.0 x 4.5 cm
Capacity	4L
Phone Pocket Capacity	Fits up to iPhone 16 Pro Max, Samsung S24+ Phone inserted at an angle Magnetic clasp prevents falling out Pocket opening width: 19cm
Weight	185 g

Feature	Details
Exterior Fabric	Ultralight Terra Shell™ 210D ripstop; weatherproof, 100% recycled, Bluesign approved
Internal Coating	PU coating; exterior rated at 1500mm hydrostatic
Water Repellency	PFAS-free treatment; eco-friendly alternative to standard DWR
Zippers	#5 weatherproof UltraZips™ with abrasion-resistant UHMWPE thread
Cord and Gear Loop	Ultra high-strength UHMWPE for enhanced durability
Internal Pockets	Blended nylon and UHMWPE internal stretch mesh
Backpanel	Breathable nylon mesh
Webbing	Bluesign certified nylon
Hardware	Glass-reinforced nylon Cord Hook™ Cam Lock and Buckle

- Recycled materials - Made from recycled polyamide
- PFAS-Free - Made from PFAS-Free materials
- bluesign® product- This item is made of bluesign® approved fabrics and accessories and is produced in a resource-conserving way with minimum impact on people and the environment.
- Recycled Packaging - Made with FSC Certified Mixed recycled paper and recyclable paper components.
- Supports Eco Initiatives- Peak Design donate 1% of their revenue to environmental nonprofits
- Global Certification - Peak Design is a certified B-Corp, and hold the highest regard and respect for their employees, communities, and the environment.
- Sustainability through longevity- Lifetime Warranty covers manufacturing defects and failures or breakages that render part or all of your product to become non-functional
Hands up who gets unreasonably excited about efficient and innovative ways to carry stuff? Those crafty, adaptable products that optimise space and arrange gear so that the thing you want is always right where you want it. Carryologists, we see you – and so do the folk at Peak Design.

Based in San Francisco, the bags, pouches and accessories that come out of Peak Design are proper marvels of form and function – streamlined, good-looking and impeccably organised. Founder Peter Dering launched his first product on Kickstarter in 2011, and the company still crowdfunds new lines rather than seeking outside investors – letting them take bigger risks and stay close to their customers. They love to tinker with their designs and they've absolutely nailed that feedback loop with real-world users.

And this urge to develop better stuff extends to the way they do business too. Dedicated to creative activism and social justice, Peak Design has full B Corp status, and as members of the 1% for the Planet scheme, they've donated over $4,600,000 to environmental causes since 2016. The brand even has its own dedicated supply chain sustainability manager, with responsibilities that include working with partner factories in Vietnam, China and the Philippines to negotiate fair pay and safe working conditions.

Serial award-winners at both product and company level, Peak Design were Carryology Brand of the Year 2020, with the judges noting that 'They really do it all, from excelling in product design, to sustainable business practices, social awareness and inclusivity.'