Jammers & Trunks size chart

To assist you in finding your preferred fit, please refer to our comprehensive size table below and our How to Measure video.

How to Measure for Jammers and Trunks

Swimzi jammers & trunks are designed to fit closely for competitive aquatic training and practice sessions. While Swimzi swimwear prioritise performance over leisure, if you prefer a more relaxed fit, you can consider selecting the next size up.

It's important to note that swimmers, like individuals everywhere, come in different shapes and sizes and therefore our sizing tables are intended solely as a helpful guide, recognizing the uniqueness of every swimmer.