This is the classic LE, 48″ x 20″ x 2″ – 24 oz but cushy as heck! Knit fabric surface is non-slippery and very comfortable. I have not used it since I got my Xtherm, so out it must go. One patch, applied professionally by Cascade Designs; mattress is otherwise in excellent shape and does not leak air. $50 includes CONUS shipping.