evo.com | Outdoor Research Activewear Pants > Rain doesn't wait for a break in the trail, so the Outdoor Research Stratoburst Stretch Rain Pants bring bluesign approved 2.5-layer Ventia fabric with fully taped seams to shut it out fast. Mechanical stretch keeps stride length honest on steep switchbacks, and the whole pant packs down small enough to disappear into a pack pocket until the next downpour. Movement Mirroring Stretch Breathable, Waterproof, Windproof, Lightweight bluesign(R) approved Ventia(TM) 2.5L 100% Recycled Polyester 50D Mechanical Stretch Plain Weave Double-Separating Size Zippers Back Pocket Doubles as Stuff Sack | Outdoor Research Stratoburst Stretch Rain Pants Men's 2027 - 2X-Large Black | Polyester