I just finished my Insulated Pants, a mix between PLQ Pants from Integral Designs and Thru-Hiker Liberty Ridge Pants.
I've used the Thru-hiker Liberty Ridge Pants Pattern.
* Climashield Apex 2.5oz
* Momentum M90R
* Lycra binding
* Elastic for the waist
Weight : 8oz (228g)
More pictures & construction details on my website :