Longer-lasting Endurance®+ fabric Chlorine and snagging resistant Body-hugging fit Dynamic Boom abstract print Improve your swimming technique with Speedo's innovative Boom Splice 18” Jammers Swimming Shorts. These body-hugging swim shorts have a range of features to maximise your time in the water for a faster, more efficient swim. Endurance®+ fabric is chlorine and snagging resistant, quick drying and retains its shape longer.