Size Guide
Women's Bras
Find your size using both your bust and underbust measurements. If you're between sizes, we recommend sizing up.
| Alpha Cup Sizing — Bust / Cup Size | ||||||
|---|---|---|---|---|---|---|
| Under Bust / Band | 79–82cm31–32in | 84–87cm33–34in | 89–92cm35–36in | 94–97cm37–38in | 99–102cm39–40in | 104–107cm41–42in |
| 63–67cm25–26in | — | XS | S | M | L | XL |
| 68–72cm27–28in | — | XS | S | M | L | XL |
| 73–77cm29–30in | XS | XS | S | M | L | XL |
| 78–82cm31–32in | XS | S | S | M | L | XL |
| 83–87cm33–34in | XS | S | M | M | L | XL |
| 88–92cm35–36in | — | M | L | L | XL | XXL |
| 93–97cm37–38in | — | — | — | XL | XL | XXL |
How to Measure
To find your perfect fit, follow the steps below.
Underbust
Measure directly under the bust, keeping the tape snug and level.
Bust / Chest
Measure around the fullest part of the chest, keeping the tape level across the back.
Why Seissense
PFAS Free
No forever chemicals. In any piece. Ever.
OEKO-TEX Certified
Independently tested. Safe for your skin.
Recycled Materials
Fishing nets. Plastic bottles. Built to perform.
FUZE™ Technology
Antimicrobial protection. Lasts a lifetime.
You may also like
Every Move Matters
Build your capsule. Wear with intention.
Performance without compromise starts here.
Every Move Matters
Build your capsule. Wear with intention.
Performance without compromise starts here.
Every Move Matters
Build your capsule. Wear with intention.
Performance without compromise starts here.