For long trail runs that push into the night, their pinnacle tank adds a large reflective logo for improved visibility. Its hybrid construction combines their soft, high-performance Phasic FL fabric with their ultralight Delta mesh on the back for improved airflow. Merrow seams and laminated finishes in key areas minimize chafe, the design rides comfortably under a hydration vest, and the patterning removes restriction. What's been updated: Updated with lighter-weight fabric for enhanced hybrid construction and improved breathability.