Size Guide

Our Quick Reference Arena and Speedo Racing Suit Size Guide gives you our expert fitting advice for all the major racing product lines.

HyperSpark is Speedo’s new entry-level race suit built for comfort and speed. Get the key features, simple measuring steps, fit checks and quick links to the full range at Ness Swimwear.

Are you looking to buy a pair of Arena Powerfin Pro II? Use our handy UK Size Guide to ensure a perfect fit.

A clear, friendly guide for parents and swimmers on choosing the right race suit at every stage, from first club gala to elite national competition, with Ness Swimwear recommendations.

Read our short guide to the Arena Men's Powerskin Carbon Air2 Racing Suit for help understanding if this is the one for you.

Are you interested in the New Arena Powerskin Primo Racing Suits? Our guide offers additional information including images and video of the key features, as well as help with sizing!

The Funkita Swimwear Guide 2024 is an in-depth guide explaining the sizing, swimsuit back styles, leg cut lengths and more, so you can find your perfect Funkita.

Not sure what size competitive swimming race suit you need? Use our expert advice and follow our 3-step guide!

Watch our Funkita Swimwear Girl's Size Guide inside, this quick video tutorial explains how Funkita label their swimsuits, so you can get the perfect fit.

Read our Funky Trunks Swimwear Guide 2022 for an explanation of the Funky Trunk swimsuit styles, to help you choose the perfect pair.