Pants that are near and dear to the Jesse Brown's crew, the Original Mountain Pants have been a staple at JB's for years- in fact right from the start for Mountain Khakis. 

Here's how Mountain Khakis describes the OMP:

Where Mountain Khakis started and why we’ll never stop. Includes Mountain Khakis signature features like diamond-shaped action gusset, triple-stitched seams, hidden right pocket and angled front pockets, reinforced pocket bags, reinforced fly, and “mudflap” reinforced heel cuffs. If you are between sizes, we recommend sizing up in this product.