Cirsi Bikini
Ready to fall back in love with T&S? Meet Cirsi, an iconic collection, paying homage to some of our original designs. We are coming back to our roots.
Center keyhole, cut-out and sleek mesh panels combine perfectly on this set. Features a witchy, vintage T&S embroidery.
SIZE CHARTS
Designer's Notes on Sizing
Our styles are designed to adapt, so they fit and flatter all body shapes. We include adjustable straps everywhere we can so you feel held in all the right places. If in doubt, size up and tighten your straps.
We recommend that customers with fuller busts size up and adjust under bust bands down.
Find Your Alpha Bra Size
Find Your Bra Size with Measurements
Alpha Sizing:
Traditional Bra Sizing:
Find Your Size By Dress / Pant Size
*For Bodysuits, we suggest sizing up if you have a longer torso.
Find Your Size with Measurements
View International Charts (cm)
How to Measure:
The easiest way to find your size is simply by measuring, get started by putting on your best fitting non-padded bra.
Stand up straight and measure loosely around the fullest part of your bust keeping the tape parallel across your back.
Just underneath your boobs, measure snugly around your ribcage, keeping the tape parallel across your back.
At the smallest point of your waist measure loosely keeping the tape parallel across your back.
At the Fullest part of your hip and butt, measure loosely keeping the tape parallel around the front of your body.
Easy Returns
Sizing didn't work out? We've got you (un)covered. Return or exchange any items within 30 days (excludes items marked Final Sale). View Returns & Exchanges Policy.
View More Size Guides
BRAS | PANTIES & BODYWEAR | INTERNATIONAL CHARTS
Unsure about your size? Email us at hello@thistleandspire.com with any sizing/product questions. We are happy to help you find the right fit!
Shipping & Returns
Fit Promise
We want you feelin' your most confident self in T&S lingerie. If a size doesn't fit quite right, exchanges til it does. (U.S. orders only; please see Returns Policy for international.)
Gifting? Enjoy extended Exchanges through 10 January, 2025.
U.S. Returns & Exchanges
Just like our lingerie, we make sure every moment shopping with us can be customized to fit you *just right*.
- You can choose to add $0.98 at checkout to get totally free Returns and Exchanges, or pay a $5 fee later if you’re not totally happy with your new look.
We proudly partner with Happy Returns to be sure there’s a convenient Return Bar location near you, or you can drop off at any post office or stores affiliated with our shipping carriers.
To read our entire return policy, including international returns information, click here.
U.S. Shipping
FREE Standard Shipping on all U.S. orders over $50 USD.
FREE Priority Shipping on U.S. orders over $175.
- Orders under $50 are $5 flat rate.
- Most U.S. Standard shipments arrive within 3-6 business days.
- Priority shipments arrive within 2-4 business days.
International Shipping
FREE international shipping on orders over $120 USD.
- Orders under $120 USD are $15 USD flat rate.
- Orders usually arrives within 3-8 business days, via Fedex.
To view full U.S. and international shipping information click here.
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