Rainbow at Heart Everyday Black Shortie Bike Shorts
Black, but never boring. Our classic shorties with a rainbow heart. Extra high-waisted, squat-proof and quick-drying, with deep pockets that fit your phone.
6-inch inseam, finishing mid-thigh.
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- Backordered, shipping soon
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- Free shipping over $150 AUD
- Flexible returns and exchanges
- Made from recycled plastic bottles
Award-winning


Description
Rainbow at Heart: The Mid-Thigh Black "Shortie" Bike Shorts with a Mama Movement Twist
These are our signature mid-thigh black biker shorts, but with the classic Mama Movement flair! These are the biker shorts for those who are a Rainbow at Heart. You'll find a subtle yet playful Rainbow Love Heart on the left hip adding a pop of colour to your look, even when you need to wear black.
Meet the Shortie Bike Shorts, the fun little sister to our signature Everyday Bike Shorts! With a 6-inch inseam, these mid-thigh bike shorts are perfect for petite frames, runners, cross-fitters, or anyone looking for a versatile under-dress option. Featuring everything you love about our Everyday Bike Shorts, extra-high waist, compression support, and deep side pockets, these shorts offer a buttery soft feel, squat-proof confidence, and a luxurious, silky finish.
These bike shorts are perfect for those who need versatility but don’t want to sacrifice their colourful spirit. Explore the rest of our solid colour activewear collection here.
Key features
- Extra high-waisted for ultimate comfort and support.
- Sleek, stretchy, compressive, and squat-proof.
- Quick drying and sweat-wicking for cool comfort during exercise.
- 6-Inch Inseam: Mid-thigh length for versatile wear.
- Sustainably made from recycled PET for an eco-conscious choice.
- Deep side pockets for your phone, keys, and other essentials.
- Rainbow Love Heart on the left hip, embodying body diversity and self-love.
- Chlorine-Resistant: Durable fabric designed to withstand chlorine exposure.
Size & Fit
On our model
Jaime wears a size M. She is 167cm and usually wears an AU12 bottom.
Faye wears a size S. She is 160cm and usually wears an AU10 bottom.
Tahlia wears a size XL. She is 164cm and usually wears an AU16 bottom.
Our award-winning leggings and bike shorts are made from a soft, high-stretch fabric that adapts beautifully to your body. If you're in between sizes, we recommend sizing down for a more supportive, stay-put fit. If you prefer a more relaxed feel, you can size up — the waistband is designed to move with you.
| Size | AU-UK | US-CA | Bust | Waist | Hips |
|---|---|---|---|---|---|
| XS | 6-8 | 2-4 | 81-8732-34 | 67-7326-29 | 91-9736-38 |
| S | 8-10 | 4-6 | 87-9334-37 | 73-7929-31 | 97-10338-41 |
| M | 10-12 | 6-8 | 93-9937-39 | 79-8531-33 | 103-10941-43 |
| L | 12-14 | 8-10 | 99-10539-41 | 85-9133-36 | 109-11543-45 |
| XL | 14-16 | 10-12 | 105-11141-44 | 91-9736-38 | 115-12145-48 |
| 2XL | 16-18 | 12-14 | 111-11744-46 | 97-10338-41 | 121-12748-50 |
| 3XL | 18-20 | 14-16 | 117-12346-48 | 103-10941-43 | 127-13350-52 |
| 4XL | 20-22 | 16-18 | 123-12948-51 | 109-11543-45 | 133-13952-55 |
| 5XL | 22-24 | 18-20 | 129-13551-53 | 115-12145-48 | 139-14555-57 |
Body measurements, not garment measurements.
We offer a few different legging lengths so you can find the perfect fit for your height, style, and the season:
- 7/8 Length – Our most popular! Flattering on all heights and perfect for year-round wear.
- Full-Length – Best suited for women 165cm and taller, or for extra ankle coverage in cooler months.
- 3/4 Length – Great for in-between seasons or when you want a bit more airflow.
- Biker Shorts – Our above-the-knee style, offering great support and coverage for active movement or everyday wear.
- Shortie Bike Shorts – A cropped version of our biker shorts, finishing at mid-thigh. Perfect for petite bodies, warmer weather, or layering under dresses.
| Size | Full-length | 7/8 | 3/4 | Bike short | Shortie bike short |
|---|---|---|---|---|---|
| XS | 65.525.8 | 5923.2 | 4216.5 | 19.57.7 | 13.55.3 |
| S | 66.526.2 | 6023.6 | 4316.9 | 20.58.1 | 14.55.7 |
| M | 67.526.6 | 6124.0 | 4417.3 | 21.58.5 | 15.56.1 |
| L | 6826.8 | 61.524.2 | 4517.7 | 22.58.9 | 16.56.5 |
| XL | 68.527.0 | 6224.4 | 4618.1 | 23.59.3 | 17.56.9 |
| 2XL | 6927.2 | 62.524.6 | 4718.5 | 24.59.6 | 18.57.3 |
| 3XL | 69.527.4 | 6324.8 | 4718.5 | 24.59.6 | 18.57.3 |
| 4XL | 7027.6 | 6324.8 | 4718.5 | 24.59.6 | 18.57.3 |
| 5XL | 7027.6 | 6324.8 | 4718.5 | 24.59.6 | 18.57.3 |
Inseam length, crotch to hem.
For more detailed information about sizing click here.
We want you to feel great in your Mama Movement activewear, so if you have any questions about our sizing guide or need to exchange a garment for a better fit, please contact us via email at hello@mamamovement.com.au
Fabric & Care
Fabric:
Crafted from our signature Everyday fabric, a premium, high performance recycled PET/Spandex mix that has a supportive compressive hold that is so comfortable you'll want to wear it - every day! Buttery soft and lightweight with four-way stretch and moisture-wicking properties. You would never believe that these are made out of recycled plastic bottles!
Which Fabric Is Right for You?
| Fabric | Compression | Warmth | Texture | Best for |
|---|---|---|---|---|
| EverydayOur signature fabric! Recycled polyester | High, supportive hold | Normal | Smooth and supportive | Every day! From high-impact workouts, Pilates or everyday mum life |
| ElevateBrushed recycled polyester | Medium-firm | Warm | Soft and warm to the touch | Exercising in cooler weather |
| EmbraceDouble brushed recycled polyester | Medium, cosy hug | Warmer | Soft and extra warm with a fleece-like feel | All-day cosy winter wear |
Care instructions:
We aim to make it EASY for you to care for your activewear. Just cold machine wash, line dry, no ironing required.
Our pieces are chlorine-resistant, making them ideal for water-based activities. To keep the colours bright for longer, we recommend rinsing them in fresh water after exposure to chlorine.
Read garment labels for further information.
Shipping & Returns
Shipping: Free shipping over $150 AUD. See our shipping page
Returns and exchanges: Flexible returns and exchanges. See our returns page

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