Buy from Amazon.co.uk : http://www.amazon.co.uk/gp/product/B00PLZU4HI?tag=1001consej026-21

Speedo Women's Thinstrap Muscleback Swimsuit - Navy/Siren/Wild Lime 32

Womens muscleback swimsuit ideal for training and fitness
Thin straps and muscleback style allow flexibility and freedom of movement
Engineered to fit like new for longer with Speedo Endurance10 fabric
Now with new Creora HighcloTM for improved chlorine resistance
Features multi-directional stretch fabric for greater fit comfort and freedom of movement
Durable snag-resistant fabric is quick-drying and soft to touch