REI Co-op Active Pursuits Tech Pants - Men's

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Warm up, cool down and stay out longer in the men's REI Co-op Active Pursuits Tech Pants. They have 4-way-stretch, quick-drying, abrasion-resistant nylon with perforated panels behind the knees.

Location Image of color Shaded OliveLocation Image of color Shaded OliveLocation Image of color Shaded Olive
Location Image of color Shaded Olive


  • 4-way stretch nylon gives you great mobility while abrasion resistance makes sure you can tackle a wide range of terrain
  • Durable water repellent (DWR) finish and wind resistance up to 30 mph protects you from the elements
  • Elastic waistband with drawcord secures the fit
  • Perforated panels behind the knees give you breathability where you need it
  • Articulated knees and gusseted crotch for freedom of movement
  • Zippered pockets secure your keys or cash
  • Elastic cuffs have reflective details help you stay visible in low-light situations


View the REI Co-op Active Pursuits Product LineView all REI Co-op Men's Workout Pants

Technical Specs

Best Use



90% nylon/10% spandex (bluesign® approved)

Pants Rise


Pant Fit


Pant Leg Style







Contains materials that meet the bluesign® criteria

From a Climate Neutral Certified brand

Size Chart

XSSMLXLXXLXXXL24 IN Waist26 IN Waist28 IN Waist30 IN Waist31 IN Waist32 IN Waist33 IN Waist34 IN Waist35 IN Waist36 IN Waist38 IN Waist40 IN Waist42 IN Waist44 IN Waist46 IN Waist48 IN Waist50 IN Waist
Chest3536 - 3839 - 4142 - 4546 - 4950 - 5354 - 57
Sleeve Length3333.53434.53535.7536.5
Waist27.528 - 3032 - 3436 - 3840 - 4244 - 4648 - 502426283031323334353638404244464850
Hip33.534.5 - 36.537.5 - 39.541 - 4344 - 46.547.5 - 50.551.5 - 54.53233.534.536.53737.538.539.540.2541434446.547.550.552.554.5

Sizing Notes

Measurements are stated in inches unless otherwise indicated.

SHORT: Some pants are available in short sizes, which generally means an inseam that is 2.5 inches shorter than regular sizes.

TALL: Some pants, shirts, jackets and parkas are available in tall sizes, which generally means an inseam that is 3 inches longer and a rise that is 1 inch longer, a shirt or jacket body that is 2 inches longer, a parka body that is 2.5 inches longer and sleeves that are 2.5 inches longer than regular sizes.

Capri or cropped pants have an intentionally shorter inseam—reference the technical specs instead of this chart.

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