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Sieve Brief


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The Sieve Brief features Negative's signature Belgian power micro mesh to keep it all held smooth! Super flattering, and as comfy as ever.

Complete the look with the Sieve Non Wire Bra.

Fit Details
Low Rise
Semi-cheeky bum.
Size up if you prefer a looser fit
XS: 0-2, S: 2-4, M: 6-8, L: 10-12, XL: 12-14 XXL: 16-18

Product Details
74% Polyamide (Nylon) 26% Elastane (Spandex)
100% Cotton gusset lining
Wash on delicates/cold, tumble dry low

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Shipping & Returns
Due to COVID-19 we have extended our return policy to 14 DAYS TO RETURN/EXCHANGE YOUR ONLINE PURCHASE FOR FREE*

*Items must be unworn, with tags still attached. Free returns only available in Canada at this time. A $7 restocking fee will be deducted from you total refund. 

Holiday 2020 gifts can be exchanged until January 10th 2020.  If returns cannot be made by then due to COVID-19 please email

Click here for standard return policy.



All orders $100 CAD and up ship for FREE. Otherwise, shipping options will be automatically calculated at checkout. Simply select the service that works best for you.

Free in-store pickup available to local Ontario residents.

Click here for full shipping policy.



Shipping will be calculated automatically during checkout. We offer shipping services through DHL and Canada Post. Simply select the service that works best for you.

Click here for full shipping policy.