Highly functional performance athletic gear that gives back 2% of proceeds to clean water Janji’s running and athletic gear packs effective tech into every square inch for a range that’s clean, classic, and comfortable—and most importantly, ready to keep up with your regimen every step of the way. The Transit Tech Half Zip is prepared to meet any weather conditions you might find on a run—but has style to spare as an everyday pullover. Features Cut from a lightweight, breathable, and wind-resistant soft-shell fabric Quick-dry fabric has a durable water repellent (DWR) finish to shed light rain Bi-stretch material moves with you as you train Interior facing prevents the fabric from sticking to sweaty skin for next-to-skin comfort Perforated underarm gusset and perforated pocket lining increases airflow Zippered kangaroo pocket for your EDC Semi-elastic hem can be cinched with the shock bungee Elastic cuffs keep the sleeves in place when pushed up Thumb straps keep the sleeves down during high-activity Blue reflectivity details increase visibility in low light worn and washed several times. like New condition. no defects or signs of wear. I am selling most of my size medium clothing as it no longer fits. true to size