I have a 2011 Six Moon Designs Swift for sale. There is a minor tear in the mesh pocket and the side lines have been switched over to Glow line. It is in excellent condition otherwise. This pack has been discontinued and is a steal at $130 plus shipping.

Swift Pack (medium): 15 oz
Wing Belt (medium): 4.5 oz
Aluminum Hoop Stay: 4 oz

Refer to this page for sizing http://www.sixmoondesigns.com/comparepacks.html

REI Minimalist Bivy Long also for sale. Specs are listed here, http://www.rei.com/product/794291/rei-minimalist-bivy-long Mine weighs in at 17.2 oz and is a great buy if you aren't sure you want a bivy and want something to try it out. In perfect condition, only used a few times. On sale for $40 plus shipping.