prAna Mission Trails Short Sleeve Tee Heather Black | Men's Size Large The performance short sleeve has a side panel at the underarms for added comfort. Product Highlights: Cooling Breathable Sweat-Wicking Good For: Sweaty activities like HIIT, spin, or trail running Style Details: Crew neck short sleeve shirt Herringbone neck tape binding detail Side panel at underarm and body for comfort Moisture Wicking, Stretch Recycled Content, bluesign, Responsible Forest Material, Fair Trade Imported Style #1972681