Offering comfort during long training sessions, the high leg Boom Thinstrap swimsuit features Speedo’s signature Boom design. Made from shape-retaining Endurance®10 fabric, its thin strap turnback style allows unrestricted shoulder movement whilst the high-stretch fabric is engineered to fit like new for longer.

Features & Benefits

• Turnback design with thinstraps - allows for unrestricted shoulder movement and flexibility making it ideal for training
• High leg - for maximum flexibility during your workout
• Higher chlorine resistance than standard swimwear fabrics - fits like new for longer with CREORA® HighCloâ„¢
• Shape retention - fabric stretches so you can enjoy your swim without feeling restricted
• Sun protection - UPF 50+

Easy 30 days returns and free exchanges!

We aim to make your shopping experience as smooth as possible. We offer straightforward returns if you're not completely satisfied with your purchase.

To begin your return please click on to the Returns & Exchange Portal located on the front page of our website and follow the simple steps.

• Goggles are exchange only
• Underwear and Hats are non refundable and non exchangeable
• Check out our returns policy for more details