Closing down SALE use the code THANKYOU50 For 50% off EVERYTHING

Collection: Discover our best seller now 50% off

Embrace warm colour palettes for the new season. Think winter outfits made up of the softest airbrushed fabric, staple long-sleeve tops and coats you can snuggle up in. Discover your favourite clothes now to fill your wardrobe.

Women’s Crop Top & Leggings Pilates Set

Women’s Crop Top & Leggings Pilates Set

7 total reviews

Regular price From ¥11,436 JPY

Regular price Sale price From ¥11,436 JPY
Unit price per
Chocolate truffle pilates set

Chocolate truffle pilates set

1 total reviews

Regular price ¥18,340 JPY

Regular price Sale price ¥18,340 JPY
Unit price per
Butterfly set pocket leggings

Butterfly set pocket leggings

4 total reviews

Regular price ¥18,556 JPY

Regular price Sale price ¥18,556 JPY
Unit price per
Pilates leggings

Pilates leggings

Regular price ¥10,786 JPY

Regular price Sale price ¥10,786 JPY
Unit price per
Scallop pilates set

Scallop pilates set

6 total reviews

Regular price ¥18,772 JPY

Regular price Sale price ¥18,772 JPY
Unit price per
Scalloped pilates set

Scalloped pilates set

1 total reviews

Regular price ¥18,772 JPY

Regular price ~~¥0 JPY~~ Sale price ¥18,772 JPY
Unit price per
Pilates leggings set super soft

Pilates leggings set super soft

6 total reviews

Regular price ¥18,772 JPY

Regular price Sale price ¥18,772 JPY
Unit price per
Sculpt Pilates Set – Leggings & Sports Bra

Sold out

Sculpt Pilates Set – Leggings & Sports Bra

Regular price ¥18,772 JPY

Regular price Sale price ¥18,772 JPY
Unit price per

Sold out
Ribbed collection

Ribbed collection

Regular price From ¥8,415 JPY

Regular price Sale price From ¥8,415 JPY
Unit price per
Pilates set buttery soft

Pilates set buttery soft

7 total reviews

Regular price ¥18,340 JPY

Regular price Sale price ¥18,340 JPY
Unit price per
Plush matching set

Plush matching set

Regular price ¥17,909 JPY

Regular price Sale price ¥17,909 JPY
Unit price per
Pocket leggings & sports bra

Pocket leggings & sports bra

1 total reviews

Regular price ¥18,125 JPY

Regular price Sale price ¥18,125 JPY
Unit price per
Scallop pilates set summer edition

Scallop pilates set summer edition

Regular price ¥18,556 JPY

Regular price ~~¥0 JPY~~ Sale price ¥18,556 JPY
Unit price per
Scallop cross back matching set

Scallop cross back matching set

5 total reviews

Regular price ¥18,772 JPY

Regular price Sale price ¥18,772 JPY
Unit price per
Zero feel set bundle

Zero feel set bundle

13 total reviews

Regular price From ¥12,083 JPY

Regular price Sale price From ¥12,083 JPY
Unit price per
Camel leggings and sports bra

Camel leggings and sports bra

Regular price ¥17,909 JPY

Regular price Sale price ¥17,909 JPY
Unit price per

Zero feel set

Elevate Your Style with Fresh Arrivals from Our Just Landed Collection!

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¥20 JPY

¥20 JPY

Clearance Sale

End of season clearance SALE Please note products are not refundable but...

Clearance Sale

Let customers speak for us

from 286 reviews

The perfect Pilates socks

A great fit and so comfortable.
Stay in place during a class.
Highly recommend.

Tricia Myatt

12/09/2025

Pilates and yoga grip socks shorter

Pilates and yoga grip socks shorter

Gorgeous soft pink

Obsessed with this sports bra love all colours but soft pink is like eating marshmallows.

Angela B

11/21/2025

Flowline sports bra

Flowline sports bra

Burgundy set

So pleased with this set. The perfect colour for autumn/winter. Beautiful burgundy colour. Can't wait to wear it.

Channelle Myers

11/10/2025

Pilates leggings set super soft

Pilates leggings set super soft

Leggings

First purchase from Belsize of leggings for Pilates. Great fit and so pleased with quality. Will definitely purchase again and recommend.

Lynne Smith

10/27/2025

Scalloped leggings

Scalloped leggings

So beautiful to move in

I love this jumpsuit so much. It feels like a second skin when on. The colour is beautiful, too. I especially loved the scallop-crossed back. It's a definite must-buy in any colour.

Channelle Myers

10/17/2025

Scalloped jumpsuit

Scalloped jumpsuit

Beautiful unique set

Don’t hesitate to buy. Beautiful sets. Sculpt the body nicely. Love them.

Channelle Myers

09/19/2025

Scallop cross back matching set

Scallop cross back matching set

As a yoga teacher, I wash my activewear every single day. This is the only bra that hasn’t lost its color or shape absolutely amazing

Courtney

09/17/2025

White sports bra

White sports bra

Great support

Top of excellent quality leggings are like second skin

A****ra

09/17/2025

Pilates leggings set super soft

Pilates leggings set super soft

Second skin

Like a second skin probably the most comfortable leggings

Ana

09/17/2025

Pilates leggings set super soft

Pilates leggings set super soft

Stunning

Beautiful colour perfect fit. I wish I knew earlier for Belsize. Best price

Jordan

09/17/2025

Flared leggings and sports bra set

Flared leggings and sports bra set

My second colour

Bought fist set in brown colour it hold my tummy extremely well, absolutely love coral 🪸 colour. Temptation for the black set 👀

Jady

09/17/2025

Butterfly set pocket leggings

Butterfly set pocket leggings

The best gym set

I first bought only pocket leggings after wearing them daily they are still the same. I have treated my self with full set. Very good quality

Tamara

09/17/2025

Pocket leggings & sports bra

Pocket leggings & sports bra

Absolutely amazing

Love the fabric but finally pockets that hold my phone. Very comfortable. I wish they have in more colours.

Tamara

09/17/2025

Pocket leggings

Pocket leggings

Unbelievable love it

After giving birth, I honestly thought I’d never feel confident in leggings again but this Scallop Set holds my mummy tummy in beautifully! 💖 The quality is amazing, and the sports bra gives strong support even though it’s a one shoulder design. I’ve already ordered another colour before it sells out again!

Stacey

09/09/2025

Scallop pilates set

Scallop pilates set

Wearing it every day, everywhere! Obsessed

I paired it with the pink padded top and honestly felt like a total tennis babe! The fit is super flattering, not too short, and moves perfectly on the court. The fabric is soft but supportive, I’ve worn it for both tennis and running it’s that cute. Definitely a must-have set! 🎾💗 We’ll done Belsize

Harper.S

06/08/2025

Women’s Padel and Tennis Skirts – Stylish Skorts for Tennis & Picklebal

Women’s Padel and Tennis Skirts – Stylish Skorts for Tennis & Picklebal