Coast Longline Halterneck Swimsuit in Cobalt, Size XS (UK 8)
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Sea Level Australia Size Guide
Designed to enhance the body with ultimate support and comfort, the body measurements outlined in the size guide below is to help you find your perfect Sea Level Swimsuit.
Measurements (inches)
| Size | XS (UK 8) | S (UK 10) | M (UK 12) | L (UK 14) | XL (UK 16) |
| Bust | 33" | 34" | 36" | 38" | 40" |
| Underbust | 28" | 29" | 31" | 33" | 35" |
| Waist | 25" | 26" | 28" | 30" | 32" |
| Hip | 37" | 38" | 40" | 42" | 44" |
International Sizing Conversions
| International | XS (UK 8) | S (UK 10) | M (UK 12) | L (UK 14) | XL (UK 16) |
| UK | 8 | 10 | 12 | 14 | 16 |
| US | 4 | 6 | 8 | 10 | 12 |
| Australian | 8 | 10 | 12 | 14 | 16 |
| European | 34 | 36 | 38 | 40 | 42 |
| French | 36 | 38 | 40 | 42 | 44 |
Please note: We find Sea Level swimsuits run small, so we recommend choosing one size up from your usual.
The Coast Halterneck Swimsuit by Sea Level is a luxurious one-piece, perfect for cups A to DD. Crafted from smooth and sculpting fabric with a bold geometric pattern, it offers a chic look. Removable cup padding and an adjustable halter neck tie allow for a custom fit, while the golden logo ring and bead hardware add an elegant touch.
• Designed by Australian swimwear brand Sea Level.
• Luxury one-piece swimsuit.
• Best suited for cups A to DD.
• Removable cup padding.
• Low scoop back.
• Adjustable & convertible straps.
• Powermesh lining for front & back support.
• Logo ring and bead hardware detail.
SKU: SL1054CS
Fabric composition: 84% nylon, 16% elastane.
Hand wash in cold water and use a gentle detergent. Air dry.
Standard Despatch Hours
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Same-Day Despatch: Order by 3:30 PM (UK Time), Monday to Friday, for same-day despatch via Royal Mail.
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Orders placed after 3:30 PM Monday to Friday, or on weekends and UK public holidays, will be processed the following working day.
Discreet Packaging & Privacy
All orders are dispatched in plain, unbranded outer packaging.
UK Delivery Options
| Delivery Service | Delivery Aim | Price |
| Royal Mail Tracked 48 | 2-3 working days | £3.00 (FREE over £80.00) |
| Royal Mail Tracked 24 | 1-2 working days | £4.00 |
| Royal Mail Special Delivery | Next working day | £8.00 |
Please note: Timescales provided are delivery aims.
International Shipping
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USA (Delivered Duties Paid): Royal Mail Tracked ($19.00 USD). Note: Maximum basket value is $800 USD per order.
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Other International: Royal Mail Tracked or DHL Express Worldwide. Prices are calculated at checkout based on location and volume.
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EU Delivery: Please note we are not currently shipping to the EU.
Import Taxes, Duties & Customs Fees
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UK Orders: All orders shipped within the UK include UK VAT, charged by NK Retail Group Ltd.
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USA Orders: US orders are shipped Delivered Duties Paid (DDP). You will not face any additional customs charges upon delivery.
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Other International Orders: For all other international destinations, customers are responsible for any local import taxes, duties, and customs clearance fees. Please check your local customs regulations before placing an order, as NK Retail Group Ltd is not responsible for these additional charges.
Delivery Timescales & Aims
Delivery times vary by destination. The following are estimated guides from the date of despatch:
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UK Delivery: Please refer to the UK service options above.
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Worldwide Delivery: Typically a 5–10 working day aim.
Please note: Timings are estimates and subject to change. International deliveries are occasionally subject to unforeseen customs clearance or payment verification delays.
Live Inventory
Every product and size listed online is physically held in stock. On the rare occasion of an inventory discrepancy, our team will notify you immediately by email.
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