REI Co-op Groundbreaker Rain Jacket - Men's

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When you just need reliable, comfortable waterproof/breathable protection for your commute and a day hike now and then, the REI Co-op Groundbreaker rain jacket just works—at a great price.

  • Features

    • Soft, 2-layer waterproof, breathable polyester shell is critically seam sealed to keep you dry and comfortable
    • Durable water repellent (DWR) finish deflects light rain and snow
    • Breathable polyester mesh lining
    • Drawcord hood adjustment allows you to fine-tune fit and coverage
    • Shoulder seams are placed forward to avoid abrasion under backpack straps
    • Drawcord hem lets you seal out wind and water
    • Cuffs adjust with snap tabs
    • Handwarmer pockets


    Durable water repellent (DWR) renewal will keep your rainwear in peak condition; regularly clean and dry according to care instructions on the label. If your jacket is wetting out even after cleaning and drying, we suggest you apply a new coating with a wash-in or spray-on DWR product (not included).
    View the REI Co-op Groundbreaker Product LineView all REI Co-op Men's Multi-Sport Rain Jackets
  • Technical Specs

    Best Use



    Polyester (bluesign® approved)

    Lining Fabric

    Polyester mesh





    Type of Waterproofing

    2-layer waterproof breathable laminate



    Back Length


    Back Length (in.)

    30 inches




    13.8 ounces


    Contains materials that meet the bluesign® criteria

  • 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.

  • Reviews
    79 reviews with an average rating of 4.5 out of 5 stars

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