Go for a swim with the Nike Menâs Swim Vex Colorblock Jammer Swim Shorts. The polyester and pbt material provides a comfortable feel, while the moisture-wicking technology helps keep you cool and dry. The flat seams ensure a soft touch, and the HydraStrong technology affords durability. Nike Menâs Swim Vex Colorblock Jammer Swim Shorts Black, 26 - Men's Swim Trunk at Academy Sports