Theory Tank Tops

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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!

254 items
Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$40.99 $225

$32.79 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$37.99 $215

$30.39 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$41.99 $225

$33.59 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $225

$27.99 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$33.99 $225

$27.19 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$44.99 $225

$35.99 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$21.99 $110

$17.59 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$45.99 $215

$36.79 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$39.99 $225

$31.99 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$38.99 $225

$31.19 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$36.99 $215

$29.59 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $225

$28.79 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $215

$28.79 20% off with

Theory Size XS

View Product: Theory Size XS

Theory

Size XS
$82.99 $275

$66.39 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$35.99 $110

$28.79 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$42.99 $215

$34.39 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$38.99 $215

$31.19 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$22.99 $110

$18.39 20% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$48.99 $225

$34.29 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$36.99 $215

$22.19 40% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$42.99 $225

$30.09 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$27.99 $110

$22.39 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$18.99 $110

$13.29 30% off with

Theory Size Sm
Price Drop BadgePrice Drop

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $215

$21.59 40% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$29.99 $225

$17.99 40% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$32.99 $215

$26.39 20% off with

Theory Sleeveless Top

View Product: Theory Sleeveless Top

Theory

Sleeveless Top
$35.99 $215

$28.79 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$23.99 $110

$19.19 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$37.99 $225

$30.39 20% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$39.99 $225

$31.99 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$20.99 $110

$16.79 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$21.99 $110
Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$37.99 $215

$30.39 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$37.99 $225

$30.39 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$33.99 $235

$27.19 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$20.99 $110

$16.79 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$18.99 $110

$15.19 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$20.79 20% off with

Theory Sleeveless Top

View Product: Theory Sleeveless Top

Theory

Sleeveless Top
$44.99 $215

$35.99 20% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$20.79 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $225

$27.99 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$48.99 $225

$39.19 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$33.99 $215

$27.19 20% off with

Theory Size Sm
Price Drop BadgePrice Drop

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $225

$18.00 50% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$36.99 $215

$29.59 20% off with

Theory Size 00
Rare Find BadgeRare Find

View Product: Theory Size 00

Theory

Size 00
$52.99 $295

$42.39 20% off with

Theory Size Med
Price Drop BadgePrice Drop

View Product: Theory Size Med

Theory

Size Med
$30.99 $215

$15.49 50% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$20.79 20% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$49.99 $215

$39.99 20% off with

Theory Size XS

View Product: Theory Size XS

Theory

Size XS
$34.99 $215

$27.99 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$37.99 $225

$30.39 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$36.99 $215

$29.59 20% off with

Theory Size Med
Price Drop BadgePrice Drop

View Product: Theory Size Med

Theory

Size Med
$34.99 $215

$17.50 50% off with

Theory Size Sm
Price Drop BadgePrice Drop

View Product: Theory Size Sm

Theory

Size Sm
$26.99 $225

$13.49 50% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$43.99 $225

$35.19 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$36.99 $225

$29.59 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$23.99 $110

$14.39 40% off with

Theory Size Sm
Rare Find BadgeRare Find

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $215

$27.99 20% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$20.99 $110

$16.79 20% off with

Theory Tank Top
Price Drop BadgePrice Drop

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$15.59 40% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$43.99 $215

$35.19 20% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$47.99 $215

$33.59 30% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$34.99 $110

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $215

$25.19 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$44.99 $225

$31.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $225

$25.19 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$37.99 $215

$26.59 30% off with

Theory Size Med
Price Drop BadgePrice Drop

View Product: Theory Size Med

Theory

Size Med
$89.99 $225

$53.99 40% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$34.99 $215

$24.49 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$47.99 $225

$33.59 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$26.99 $110

$18.89 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$18.19 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$24.99 $110

$17.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $215

$25.19 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$25.99 $110

$18.19 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$26.99 $110

$18.89 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$26.99 $90

$18.89 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$26.99 $110

$18.89 30% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$37.99 $215

$26.59 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$45.99 $215

$32.19 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$36.99 $215

$25.89 30% off with

Theory Sleeveless Blouse

View Product: Theory Sleeveless Blouse

Theory

Sleeveless Blouse
$36.99 $215

$25.89 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$43.99 $215

$30.79 30% off with

Theory Sleeveless Top

View Product: Theory Sleeveless Top

Theory

Sleeveless Top
$32.99 $215

$23.09 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$38.99 $235

$27.29 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $225

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $215

$24.49 30% off with

Theory Size Sm
Rare Find BadgeRare Find

View Product: Theory Size Sm

Theory

Size Sm
$44.99 $215

$31.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $225

$24.49 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$32.99 $215

$23.09 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$34.99 $215

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$53.99 $225

$37.79 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$21.99 $110

$15.39 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$36.99 $225

$25.89 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$33.99 $225

$23.79 30% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$46.99 $225

$32.89 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$34.99 $215

$24.49 30% off with

Theory Size Med
Price Drop BadgePrice Drop

View Product: Theory Size Med

Theory

Size Med
$32.99 $215

$19.79 40% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$43.99 $215

$30.79 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$21.99 $110

$15.39 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$31.99 $225

$22.39 30% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$28.99 $110

$20.29 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$29.99 $215

$20.99 30% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$34.99 $215

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $225

$25.19 30% off with

Theory Tank Top
Price Drop BadgePrice Drop

View Product: Theory Tank Top

Theory

Tank Top
$27.99 $110

$16.79 40% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$34.99 $215

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$25.99 $215

$18.19 30% off with

Theory Size Lg
Price Drop BadgePrice Drop

View Product: Theory Size Lg

Theory

Size Lg
$30.99 $215

$18.59 40% off with

Theory Tank Top

View Product: Theory Tank Top

Theory

Tank Top
$31.99 $110

$22.39 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $225

$25.19 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$35.99 $215

$25.19 30% off with

Theory Size Med
Price Drop BadgePrice Drop

View Product: Theory Size Med

Theory

Size Med
$29.99 $225

$17.99 40% off with

Theory Size Med

View Product: Theory Size Med

Theory

Size Med
$56.99 $215

$39.89 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$45.99 $225

$32.19 30% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$34.99 $215

$24.49 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$37.99 $215

$26.59 30% off with

Theory Size Lg

View Product: Theory Size Lg

Theory

Size Lg
$43.99 $225

$30.79 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$28.99 $215

$20.29 30% off with

Theory Size Sm

View Product: Theory Size Sm

Theory

Size Sm
$36.99 $215

$25.89 30% off with