Details Mountain Khakis Men's Size Chart Wanna know which pant started the MK story? Look no further. Basecamp to boardroom, the organic OMP performs best when worn daily. Includes all MK signature features: diamond-shaped action gusset, hidden right pocket and angled front pockets, triple-stitched seams, 'mudflap' reinforced heel cuffs, grosgrain-lined waistband (relaxed fit only) and extra bar-tac reinforcements. An Original #ManPant.