An efficient three season, 4 person ultralight backpacking tent with minimal single wall construction on the back half and a large mesh sleeping space with a double door/double vestibule design. The Three Island UL 4 allows for exceptional star gazing on those picturesque backcountry nights. Fits Square gear loft - sold separately. Compatible with Big Agnes Entertainment Center loft and PowerCase/Loft- sold separately. Fast Fly setup not available. Footprint - sold separately.