Hartley & Grey
Olga Bikini Set
Olga Bikini Set
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✓ Free UK delivery ✓ 60-day returns ✓ Free size swaps
Stand out this summer
Enhance beach days with a chic and modern style. Olga bikini set brings comfort and elegance while helping make a bold statement.
Benefits:
- Flattering fit for every body shape.
- Unique patterns that grab attention.
- Perfect balance of coverage and style.
- Designed for confidence and fun.
Why You’ll Love Ognena
Olga is designed for those who want effortless style with practicality. Its exceptional design appeals to modern women looking for standout swimwear as unique as they are.
Why wait? Take summer wardrobes to the next level with Olga.
Delivery & Returns
- Free UK delivery – Free tracked delivery on every UK order.
- 60-day returns – Return any unworn item within 60 days of delivery for a full refund or exchange.
- Questions? – Email support@hartleyandgrey.com and we’ll reply within one working day.
Delivery & Returns
Delivery & Returns
Free UK delivery on every order — dispatched within 1–2 working days, fully tracked. You have 60 days to return your pair for a full refund, and wrong-size swaps are always free.
Size & Fit
Size & Fit
Standard UK sizing. Between sizes? Choose the larger size for a more relaxed fit. Use the Size guide link above the basket button for foot-length measurements — and remember, size swaps are free.
Our 60-Day Promise
Our 60-Day Promise
Wear them, walk in them, live in them. If your Hartley & Grey pair doesn't win you over within 60 days, we'll refund you in full — no quibbles.
Size Guide
Our footwear is sized in UK sizes and is unisex: the same size chart applies to men and women. Find your UK size below. If you are between two sizes, choose the larger one.
Unisex size chart
| UK | EU | US men | US women | Foot length (cm) |
|---|---|---|---|---|
| UK 4 | 37 | 5 | 6 | 22.9 |
| UK 5 | 38 | 6 | 7 | 23.7 |
| UK 6 | 39 | 7 | 8 | 24.6 |
| UK 6.5 | 40 | 7.5 | 8.5 | 25.0 |
| UK 7 | 41 | 8 | 9 | 25.4 |
| UK 8 | 42 | 9 | 10 | 26.3 |
| UK 9 | 43 | 10 | 11 | 27.1 |
| UK 9.5 | 44 | 10.5 | 11.5 | 27.5 |
| UK 10.5 | 45 | 11.5 | 12.5 | 28.4 |
| UK 11 | 46 | 12 | 13 | 28.8 |
Foot lengths are approximate.
How to measure your feet
At the end of the day, stand on a sheet of paper, mark the back of your heel and the tip of your longest toe, measure the distance in centimetres, and use the larger foot to pick your size from the chart.
Still unsure? Size swaps are free: order your best guess and if it doesn't fit, we'll send the replacement size at no charge.
