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Shop a vast selection of secondhand women's tank tops from Theory, including items on sale. All up to 90% off estimated retail. Discover more like-new clothes and accessories at thredUP!

Tank TopsRemove filterTheoryRemove filter
151 items
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    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)Flawed Gem
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Med
    $33.99 $18.69 45% off with code GOBIG
    80% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Lg
    $39.99 $21.99 45% off with code GOBIG
    82% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $37.99 $20.89 45% off with code GOBIG
    83% off estimated retail
    Theory Tank Top (view 2)Theory Tank Top (view 1)Flawed Gem
    View Product: Theory Tank Top

    Theory

    Tank Top
    Size XL
    $17.99 $9.89 45% off with code GOBIG
    81% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)Flawed Gem
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $33.99 $18.69 45% off with code GOBIG
    80% off estimated retail
    Theory Sleeveless Silk Top (view 2)Theory Sleeveless Silk Top (view 1)
    View Product: Theory Sleeveless Silk Top

    Theory

    Sleeveless Silk Top
    Size Sm
    $34.99 $19.24 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Med
    $29.99 $16.49 45% off with code GOBIG
    82% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $26.99 $14.84 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Lg
    $37.99 $20.89 45% off with code GOBIG
    83% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Lg
    $45.99 $25.29 45% off with code GOBIG
    80% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Sm
    $25.99 $14.29 45% off with code GOBIG
    69% off estimated retail
    Theory Sleeveless Silk Top (view 2)Theory Sleeveless Silk Top (view 1)
    View Product: Theory Sleeveless Silk Top

    Theory

    Sleeveless Silk Top
    Size Sm
    $29.99 $16.49 45% off with code GOBIG
    82% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size 2
    $135.99 $74.79 45% off with code GOBIG
    22% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $35.99 $19.79 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $26.99 $14.84 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $36.99 $20.34 45% off with code GOBIG
    83% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Sm
    $33.99 $18.69 45% off with code GOBIG
    85% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)Flawed Gem
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size XS
    $37.99 $20.89 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Med
    $46.99 $25.84 45% off with code GOBIG
    79% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $33.99 $18.69 45% off with code GOBIG
    85% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)New With Tags
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Med
    $183.99
    20% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Med
    $52.99 $29.14 45% off with code GOBIG
    76% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $32.99 $18.14 45% off with code GOBIG
    85% off estimated retail
    Theory Sleeveless Silk Top (view 2)Theory Sleeveless Silk Top (view 1)
    View Product: Theory Sleeveless Silk Top

    Theory

    Sleeveless Silk Top
    Size 00
    $37.99 $20.89 45% off with code GOBIG
    84% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $174.99
    23% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Sm
    $170.99
    25% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)Price Drop
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $33.99 $18.69 45% off with code GOBIG
    85% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)Price Drop
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Med
    $36.99 $20.34 45% off with code GOBIG
    83% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)Price Drop
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $44.99 $24.74 45% off with code GOBIG
    80% off estimated retail
    Theory Sleeveless Blouse (view 2)Theory Sleeveless Blouse (view 1)Price Drop
    View Product: Theory Sleeveless Blouse

    Theory

    Sleeveless Blouse
    Size Sm
    $29.99 $16.49 45% off with code GOBIG
    86% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)Price Drop
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Med
    $31.99 $17.59 45% off with code GOBIG
    86% off estimated retail
    Theory Sleeveless Top (view 2)Theory Sleeveless Top (view 1)Price Drop
    View Product: Theory Sleeveless Top

    Theory

    Sleeveless Top
    Size Sm
    $31.99 $17.59 45% off with code GOBIG
    86% off estimated retail
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