Before anyone started producing specialized outdoor clothes, climbers used military surplus. The Lost Arrow Notch Pant is Big Rock Candy Mountaineerings take on a modified P41 fatigue pant tough, well-made, and ready to take on whatever youre hauling while you scale. This pair is built from traditional cotton herringbone twill fabric and a wide-cut silhouette. Plus, theyve gone through some extra customization with articulated knees, two extra-large velcro pockets over the existing pockets, and side seam waist adjusters..View Lost Arrow Notch Pant by Big Rock Candy Mountaineering on our site for more info. - The Bespoke Post store has the greatest gear from the world's best small brands. Free exchanges, easy returns and no commitments.