🧭 Size Guide

L: UK 18 – 20
XL: UK 20 – 22
2XL: UK 22 – 24
3XL: UK 24 – 26

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I’ve purposely designed these sizes to be extra generous, so you don’t feel the pressure to size up.
Our pieces are built to fit and flatter real curves — giving you space to move, breathe and feel confident.

The size guide above is an estimate — every body is unique.
Over the coming weeks, I’ll be adding real-life reviews and testimonials to help you navigate sizing even more easily.
Your feedback makes this guide stronger for everyone, so please share your experience once you’ve tried your kit 💬

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Jane’s Fit Notes

After months of testing, here’s how I wear GSP:

• Leggings & T-Shirt: Size L (I’m a UK 18 – 20)

• Sports Bra: Size XL (I’m a 42DD and remove the padding for the best fit)

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Tip: If you’re between sizes and prefer a snug compression feel, size down.
If you love a relaxed fit, stick with your usual.

Got curves? We’re here to support you.