For sale is a pair of prAna Stretch Zion pants size XS (28/29") waist and 30" inseam. It has a built-in adjustable waist cinch so the waist size is flexible. 

The Stretch Zion is the most recommended climbing/hiking pant on the market. 

Product information: http://www.prana.com/stretch-zion-pant.html

• Angled dual entry cargo pocket                                          
• Streamlined adjustable waistband
• Ventilated inseam gusset
• Roll-up leg snaps
• Standard fit
• The original Stretch 'Zion' fabric with durable water repellent (DWR) finish
• Quick dry stretch performance fabric
• UPF 50+
• 97% Nylon / 3% Spandex 

Review: http://www.outdoorgearlab.com/reviews/clothing-mens/hiking-pants/prana-stretch-zion-pants

These are in excellent, near new condition (no stains, tears, rips, etc.). 

Color is Mud

Retail price on these awesome pants is $85

Buy these for only $45 shipped in the US