Features of the Big Agnes Bird Beak SL4 Tent 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 Sl1 Features one door and one vestibule, sl2 Features two doors and two vestibules Sl3 and sl4 feature two waterproof doors Optional Oversized, polesupported vestibule 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 other accessories All seams taped with waterproof, solvent-free polyurethane tape (no pvc or voc's) Fabric Details Fly and floor Are silicone treated nylon rip-stop Tent body is polyester mesh and silicone treated nylon rip-stop