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FREE UK Shipping on orders over £60
FREE UK Shipping on orders over £60
FREE UK Shipping on orders over £60
FREE UK Shipping on orders over £60
For accurate sizing, keep the tape measure level and parallel to the ground.
Bust
Measure around the fullest part of your chest.
Underbust
Measure directly under your bust where the bra band sits.
| Size | Bust | Underbust |
|---|---|---|
| XS | 33–34" | 27–28" |
| S | 34–36" | 28–30" |
| M | 36–38" | 30–32" |
| L | 38–40" | 32–34" |
| XL | 40–43" | 34–36" |
| 2XL | 43–46" | 36–39" |
| 3XL | 46–49" | 39–42" |
Between sizes?
Size up for a more comfortable fit.
Size down for a more compressive performance fit.
| UK Size | Bust | Waist |
|---|---|---|
| 4–6 | 31–33" | 24–26" |
| 8–10 | 33–36" | 26–28" |
| 12–14 | 36–40" | 28–32" |
| 16 | 40–43" | 32–34" |
| 18 | 43–46" | 34–37" |
| UK Size | Waist | Hips |
|---|---|---|
| 4–6 | 24–26" | 34–36" |
| 8–10 | 26–28" | 36–38" |
| 12–14 | 28–32" | 38–42" |
| 16 | 32–34" | 42–44" |
| 18 | 34–37" | 44–46" |
| Size | Chest | Waist |
|---|---|---|
| S | 36–38" | 30" |
| M | 38–40" | 32–34" |
| L | 42–44" | 36" |
| XL | 46–48" | 38" |
| XXL | 50–52" | 40–42" |
| Size | Waist |
|---|---|
| S | 30" |
| M | 32–34" |
| L | 36" |
| XL | 38" |
| XXL | 40–42" |
Some styles follow Asian sizing and may run 1–2 sizes smaller than standard UK sizing.
Refer to each product description for specific fit details.
Measurements may vary slightly depending on fabric and cut.
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FREE UK Shipping on Orders £50+
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Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
FREE UK Shipping on Orders £50+
Order Before 3PM — Same-Day Dispatch
Official GymBum UK® — Registered Brand
