The Kool Onesie
The Kool Onesie blends retro 80s style with modern performance, featuring a pastel pink top, tomato red base, second-skin fit, and footed design - perfect for Reformer workouts and summer sessions.
DETAILS
• Limited-edition Kool Onesie
• Pull-on, maillot-style silhouette with footed end
• Footed design for added coverage and secure fit; removable bra pads
• Optional waistband for added definition and styling
• Second-skin fit between tight and medium
• 75% Nylon, 25% Spandex
SIZE AND FIT
• Fits true to size
• Between medium and tight fitting
• Model is wearing a size small
CARE
• Machine wash cold with like colors
• Lay flat to dry
• Avoid bleach
• Handle with care for lasting quality
Born in Dubai by lifelong friends, EOS creates empowering activewear where movement, style, and self-expression unite. Bold prints and vibrant colors celebrate individuality. Guided by inclusivity, sustainability, and self-love, EOS supports every woman's journey—honouring all bodies to move freely.
Size Guide
How to Measure
Taking Your Measurements
For the most accurate fit, we recommend measuring yourself while wearing well-fitting undergarments. Use a soft measuring tape and keep it snug but not tight against your body.
Bust/Chest: Measure around the fullest part of your bust/chest Waist: Measure around your natural waistline (the narrowest part of your torso) Hips: Measure around the fullest part of your hips Inseam: Measure from the crotch to the desired hem length
Women's Sizing
Dresses & Tops
| Size | UK | US | EU | Bust (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|---|---|---|
| XS | 6 | 2 | 34 | 81-84 | 61-64 | 86-89 |
| S | 8 | 4 | 36 | 86-89 | 66-69 | 91-94 |
| M | 10 | 6 | 38 | 91-94 | 71-74 | 96-99 |
| L | 12 | 8 | 40 | 96-99 | 76-79 | 101-104 |
| XL | 14 | 10 | 42 | 101-105 | 81-85 | 106-110 |
| XXL | 16 | 12 | 44 | 106-110 | 86-90 | 111-115 |
Bottoms (Jeans, Trousers, Skirts)
| Size | UK | US | EU | Waist (cm) | Hips (cm) | Inseam (cm) |
|---|---|---|---|---|---|---|
| XS | 6 | 2 | 34 | 61-64 | 86-89 | 76-79 |
| S | 8 | 4 | 36 | 66-69 | 91-94 | 76-79 |
| M | 10 | 6 | 38 | 71-74 | 96-99 | 79-81 |
| L | 12 | 8 | 40 | 76-79 | 101-104 | 79-81 |
| XL | 14 | 10 | 42 | 81-85 | 106-110 | 81-84 |
| XXL | 16 | 12 | 44 | 86-90 | 111-115 | 81-84 |
Shoes
| UK | US | EU | Foot Length (cm) |
|---|---|---|---|
| 3 | 5.5 | 36 | 22.5 |
| 4 | 6.5 | 37 | 23.0 |
| 5 | 7.5 | 38 | 24.0 |
| 6 | 8.5 | 39 | 24.5 |
| 7 | 9.5 | 40 | 25.5 |
| 8 | 10.5 | 41 | 26.0 |
| 9 | 11.5 | 42 | 27.0 |
Kids Sizing
Girls (2-12 years)
| Age | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|
| 2-3 | 92-98 | 53-54 | 51-52 | 55-56 |
| 3-4 | 98-104 | 55-56 | 52-53 | 57-58 |
| 4-5 | 104-110 | 57-58 | 53-54 | 59-60 |
| 5-6 | 110-116 | 59-61 | 54-55 | 61-63 |
| 7-8 | 116-128 | 63-67 | 56-58 | 65-69 |
| 9-10 | 128-140 | 69-73 | 59-61 | 71-75 |
| 11-12 | 140-152 | 75-80 | 62-65 | 77-82 |
Boys (2-12 years)
| Age | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|
| 2-3 | 92-98 | 53-54 | 51-52 | 55-56 |
| 3-4 | 98-104 | 55-56 | 52-53 | 57-58 |
| 4-5 | 104-110 | 57-58 | 53-54 | 59-60 |
| 5-6 | 110-116 | 59-61 | 54-55 | 61-63 |
| 7-8 | 116-128 | 63-67 | 56-58 | 65-69 |
| 9-10 | 128-140 | 69-73 | 59-61 | 71-75 |
| 11-12 | 140-152 | 75-80 | 62-65 | 77-82 |
Baby (0-24 months)
| Age | Height (cm) | Weight (kg) | Chest (cm) |
|---|---|---|---|
| 0-3m | 50-62 | 3-6 | 41-43 |
| 3-6m | 62-68 | 6-8 | 43-45 |
| 6-9m | 68-74 | 8-9 | 45-47 |
| 9-12m | 74-80 | 9-11 | 47-49 |
| 12-18m | 80-86 | 11-12 | 49-51 |
| 18-24m | 86-92 | 12-14 | 51-53 |
Fit Guide
Understanding Our Fits
Slim Fit: Tailored close to the body with minimal ease Regular Fit: Comfortable fit with moderate ease for movementRelaxed Fit: Loose, comfortable fit with generous ease Oversized: Intentionally loose and roomy styling
Fabric Considerations
Stretch Fabrics: Items with elastane or spandex will have more give Non-Stretch: Woven fabrics like cotton or linen have less flexibility Jersey/Knits: Naturally stretchy and forgiving
Size Chart Notes
- Size up if: You prefer a looser fit or are between sizes
- Size down if: The item is designed to be oversized
- Check individual product pages: Some items may have specific sizing notes
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When in doubt: Contact our customer service team for personalized advice






