ASRV 5” shorts Tetra-Lite size XL Tetra-Lite® is our most popular range of all time - a uniquely soft technical blend that is incredibly lightweight and stretches up to 6X in every direction. These characteristics adapt to the body’s natural movements and allow for optimal, focused performance. A Durable Water-Resistant treatment provides light rain coverage in unpredictable weather, so no training session is cut short.