For the women who wear us every season.
The blazer you’ll reach for first.
Prince of Wales blazer in sepia · £139
Tailoring, softened for real life.
Double-breasted blazer in khaki · £129
Sizes 8–18
Welcome to the Tortue family.

Our loyal customers are the heart of Tortue. Come back every season and we’ll get to know you properly.
Measure yourself, then choose the size that matches. No phone call needed. Measurements are in centimetres.
| UK | EU | Bust | Waist | Hips |
|---|---|---|---|---|
| 6 | 34 | 84–86 | 69–71 | 90–92 |
| 8 | 36 | 88–90 | 73–75 | 94–96 |
| 10 | 38 | 92–94 | 77–79 | 98–100 |
| 12 | 40 | 96–98 | 81–83 | 102–104 |
| 14 | 42 | 100–102 | 85–87 | 106–108 |
| 16 | 44 | 106–108 | 91–93 | 112–114 |
| 18 | 46 | 112–114 | 95–97 | 118–120 |
| 20 | 48 | 118–120 | 101–103 | 124–126 |
Bust: around the fullest part. Waist: around the narrowest part. Hips: around the fullest part. Keep the tape snug, not tight. Some pieces are sized XS to XL, so check the letter sizes on the full size guide.
Still unsure? Nina is happy to help, whenever suits you.
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