Specially crafted for the active man, the Columbia Rapid Rivers Pant is the ultimate outdoor staple. Crafted of our durable fabric, these pants remain lightweight no matter the weather or activity. High quality materials and expert craftsmanship are the backbone of Columbia’s men’s apparel. The technology featured in these pants is unmatched. The the protective exterior features UPF 50 to help block and shield from UVA and UVB sun rays. The Columbia Rapid Rivers Pant is also durable and comfortable - the gusset detail give them a personalized fit and the multi-pocket design adds security. With an active fit made up of our comfort-stretch fabric, these pants remain comfortable no matter the activity. Columbia offers our men’s outdoor stretch pants in multiple colors and sizes. To ensure the size you choose is just right, please refer to our sizing chart. To find your waist measurement, measure around your natural waistline. And for your inseam measurement, measure from the top of the interior leg to the bottom of the ankle.