Aura Cross Back Sports Bra
Quick Fit takes under 30 seconds. No photo required.
Why shop with us
Free UK standard delivery
On all UK orders
Delivery information
Frequently Asked Questions
What makes this product sustainable?
This product is made using certified recycled materials, helping to reduce waste while delivering premium performance and comfort.
Do you really fund a tree with every item?
Yes. Through our partnership with Ecologi, one tree is funded for every item purchased.
Why choose Sleepy Sloth over larger activewear brands?
Sleepy Sloth combines premium comfort, thoughtful design and sustainability. As a UK ethical activewear brand, we use quality materials, support environmental initiatives and focus on creating activewear women genuinely love to wear.
How do I choose the right size?
Our activewear is true to size. If you’re between sizes or prefer a more compressive fit, check our size guide for detailed measurements.
What do the fabrics feel like?
Our fabrics are selected for comfort, softness and performance, offering a smooth feel against the skin with four-way stretch.
Can I wear these for more than just workouts?
Absolutely. Sleepy Sloth activewear is designed for yoga, Pilates, walking, gym sessions and everyday comfort.
How do I wash my activewear?
Wash at 30°C and avoid fabric conditioner to help maintain performance and longevity.
How long does delivery take?
We dispatch orders from the UK, with delivery times shown at checkout and in our shipping policy.
What is your returns policy?
UK returns are free and can be requested within 30 days of delivery with a prepaid label. US and Canadian returns can be started within 14 days of delivery, with a further 14 days to send the item; return postage is paid by you. Australian returns are accepted within 30 days, but return postage is paid by you. Sign in to your customer account, select your order and follow the return steps. Exchanges depend on stock availability. This voluntary offer does not affect statutory rights, including rights relating to faulty or misdescribed goods and cancellation rights for most online orders.
Certified sustainable
Aura Cross Back Sports Bra
High support, buttery soft, and made from recycled fabric. The sports bra that does it all.
The Aura Cross Back Sports Bra is built for the sessions that demand the most from your kit. High support and a buttery-soft second-skin feel, it keeps you secure and comfortable through yoga, Pilates, high-intensity training, and everything in between.
Made from 75% recycled polyamide and 25% elastane and crafted without PFAS, it's as kind to the planet as it is to your skin. Pair it with the Aura Yoga / Pilates Shorts for a fully sustainable matching set that our community loves.
Designed in the UK | Wear with Purpose
Key Features & Benefits
- High support with removable padding for adjustable coverage
- Buttery-soft second-skin feel from the first wear
- Made from 75% recycled polyamide and 25% elastane
- Made without PFAS, kinder to your skin and the planet
- Breathable, lightweight and flexible
- 4-way stretch for unrestricted movement
- Cross back design for a secure, supportive fit
- Available in Ivory Cream, Chocolate Brown, Black & Plum
Ideal For
Yoga, Pilates, high-intensity training, gym workouts, Hyrox and everyday activewear
Why the Sleepy Sloth Community Loves Us
Every purchase helps support:
- Tree planting through Ecologi
- Sloth conservation in Costa Rica
- Biodegradable, eco-conscious packaging
Making moves with meaning.
Care Guide
- Wash inside out at 30°C or colder
- Air dry only, do not tumble dry or iron
- Avoid fabric softeners and harsh detergents
- Wash with similar colours
Complete the Set
Build the full Aura look with matching pieces from the same sustainable activewear capsule.
- Shop the Aura Yoga / Pilates Leggings
- Shop the Aura Yoga / Pilates Shorts
- Shop the Aura Shorts & Cross Back Sports Bra Set
- Shop the Aura Leggings & Cross Back Sports Bra Set
Fit & Sizing
- True to size with high-impact support
- Most customers choose their usual size
- Removable padding for adjustable coverage and shape
- Designed with flexible stretch fabric for a supportive fit across multiple cup sizes
- Model is 5ft 4 / 55.8kg and wears a small
Important
These are garment measurements taken unstretched - compare them against an item you already own and love.
| Size | Length | Bust | Underbust | Cup Size |
|---|---|---|---|---|
| S (8) | 10 | 66 | 62 | A-B |
| M (10) | 11 | 70 | 66 | B-C |
| L (12) | 12 | 74 | 70 | C-D |
| XL (14) | 12 | 78 | 72 | D-DD |
A. Length
Measure from the highest shoulder point to the bottom hem.
B. Bust
Measure across the fullest part of the bust.
C. Underbust
Measure around the ribcage directly under the bust.
Free UK Standard Delivery
Free UK standard delivery on all orders. Express upgrade available at checkout.
Reliable Dispatch
Orders are dispatched within 1–3 working days.
Ethically Made
Recycled, responsible production
Movement-Ready Fit
Support and comfort you can trust.
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Important
These are garment measurements taken unstretched - compare them against an item you already own and love.
| Size | Length | Bust | Underbust | Cup Size |
|---|---|---|---|---|
| S (8) | 10 | 66 | 62 | A-B |
| M (10) | 11 | 70 | 66 | B-C |
| L (12) | 12 | 74 | 70 | C-D |
| XL (14) | 12 | 78 | 72 | D-DD |
A. Length
Measure from the highest shoulder point to the bottom hem.
B. Bust
Measure across the fullest part of the bust.
C. Underbust
Measure around the ribcage directly under the bust.