Do Under Armour bottoms run small?

    Runs small

    Under Armour bottoms run small. Athletic shorts and joggers run small in the waist. Size up 1. Storm pants are slightly more generous.

    Need sizing help for Under Armour bottoms?

    Bottoms notes

    Get a personal size recommendation for Under Armour bottoms, accounts for the brand's cut tendency and your saved measurements.

    GENERAL BRAND GUIDANCE

    This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.

    Under Armour Bottoms sizing

    Under Armour bottoms run small. Athletic shorts and joggers run small in the waist. Size up 1. Storm pants are slightly more generous.

    Best starting point

    Size up once in Under Armour bottoms if you want an easy everyday fit.

    Cut note

    Athletic shorts and joggers run small in the waist.

    Examples

    Think jeans, trousers, skirts, and shorts.

    Which size should I buy?

    Default to sizing up in Under Armour bottoms if you want an easy everyday fit. Athletic shorts and joggers run small in the waist.

    Choose the slimmer feel

    Stay at your usual size only if you want a neater fit and feel comfortable in standard cuts.

    Choose the roomier feel

    Go up one size for breathing room, especially when this category uses standard cuts.

    Variability and caveats

    When Under Armour can feel different from the usual sizing tendency

    Cut

    Cut matters most when a piece is intentionally tailored or intentionally oversized.

    Fabric stretch

    Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.

    Styling

    Styling details like intended silhouette, layering room, and line-specific fit can shift how the brand’s usual sizing direction feels.

    Under Armour Bottoms size chart

    Compare measurements side-by-side using the label rows below.

    Fit notes below call out cut and measurement differences that matter most on smaller screens.

    SizeWaistHipsEUUK
    XS
    		23–25"33–35"32-344-6
    S
    		25–27"35–37"368
    M
    		27–29"37–39"38-4010-12
    L
    		29–31"39–41"4214
    XL
    		31–33"41–43"4416

    Measurements are shown in inches where numeric values are available.

    Chart footnotes

    • Athletic shorts and joggers run small in the waist

    Under Armour bottoms usually run small.

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