2XU Aero Tri Sleeved Top missing image Uses a flexible material designed

Uses a flexible material designed to fit any boot on the market

•Elastic Waistband

The Primer S build is similar in many ways to the Primer 29 Pro

Premium Yamamoto Neoprene: This wetsuit uses 39 cell Yamamoto neoprene which offers excellent flexibility and durability

YKK AquaGuard®

2XU Aero Tri Sleeved Top missing image Uses a flexible material designedMaximize your performance with the 2XU Aero Tri Sleeved Top. The top utilizes industry leading aerodynamics and ventilation technologies, allowing you to push past your limits with ease. Stay cool and streamlined as you conquer every challenge with this essential gear. Features: Exceptional Aerodynamics: The 3D structure and seam free sleeve finishing of SBR CHANNEL through shoulders and side panels provides exceptional aerodynamics and is ergonically