The X-VENT Tri Singlet uses 2XU’s most advanced cooling Ice X technology. Combining yarns with Xylitol surface fabric cooling, & UV reflectors to stop the garment from absorbing the suns heat, the Tri Singlet is guaranteed to help you stay cool & comfortable through all disciplines. With flatlock seams to reduce the risk of chafe, & Sensor Mesh X Fabric with Ergonomic Panels to provide support this Tri Singlet is the perfect garment to support you through your triathlon. Three rear pockets also leave ample room for fuel storage.