Bird Beak SL4

Three season, free standing, superlight tents

Three season, free standing, superlight tents

The Bird Beak SL tents are one of the most versatile backpacking tents on the market. The exoskeleton pole-system frame design is incredibly strong and creates a very spacious living area that makes it ideal for cots, or anyone wanting some extra elbow room.
$449.96 $599.95
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Our top priority is to provide customer service as stellar as the award-winning products we create. If one of our products does not perform to your satisfaction, contact our customer service team and we will help you find gear that fits your needs.
$449.96 $599.95

Specs + Sizing

Trail Weight8lbs 2oz / 3.69kg
Packed Weight8lbs 8oz / 3.86kg
Fast Fly Weight6lb 2oz / 2.78kg
Packed Size23" x 9" / 58 x 23cm
Floor Area56sq ft / 5.2 m²
Footprint Weight13oz / 369g
Number of Seasons3
Number of Doors2
Intended UseCar / Base Camping


If cot camping is your thing, these spacious and strong superlight backpacking tents feature exceptional living space for cot sleeping or those wanting more room than a traditional backpacking tent 

DAC exoskeleton pole system maximizes architectural strength and creates extensive livable space

External pole structure allows poles and fly to be set up before clipping in the inner tent body to minimize bad-weather impact 

May be set up as a double-wall, 3+ season tent or as a sun, wind or rain shelter

Removable inner tent body easily clips into tent fly to create the double-wall, 3+ season tent

Features two waterproof doors

Optional oversized vestibules available for when you need more space - sold separately

Set up in shelter-mode without the inner tent body for maximum shelter volume and easy in/out access 

Quick Stash door keeper on tent body door makes stowing unzipped door quick and easy

Media pockets located above sleeping area enable clean earbud-cord routing from phones or other devices

Two oversized fly vents for increased airflow and reduced condensation

Color-coded webbing and buckles make set up easy

Ready to pitch; with pre-cut guylines and tensioners attached to fly

Reflective guylines and reflective webbing

Easy-grip zipper pulls

To extend the life of your tent floor we recommend using a Big Agnes footprint - sold separately

Multiple interior loops for use with gear lofts or for attaching other accessories

Construction + Materials

Fly and floor are silicone treated nylon ripstop with 1200mm waterproof polyurethane coating

Tent body is polyester mesh and silicone treated nylon rip-stop with 1200mm waterproof polyurethane coating

All seams taped with waterproof, solvent-free polyurethane tape (No PVC or VOC's)

DAC lightweight PL pole system with lightweight hubs

Plastic clips attach the fly to the external poleset

Side-release buckles connect the inner tent to the fly 

4 interior mesh pockets, 4 ceiling pockets with media corner, 6 lightweight aluminum hook stakes 

Footprint - sold separately

Shelter-mode available 

Fits the Triangle and Large Trapezoid gear lofts - sold separately

*Trail Weight vs *Packed Weight: 

Unless otherwise noted, all published weights in our catalog and website are “trail weights”; the weight of the tent components necessary for setup and function. Packed weight is the weight with everything included with purchase.

*Fast Fly Weight is the weight of the tent in Fast Fly mode; fly, footprint, poles, stakes (footprint sold separately) 

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