COOL COOL COOL COOL COOL COOL is the biggest feature OUTDOOR AND INDOOR. It is a special moisture-radiating material that actually offers cooling effect Sun sleeves are our friends.they lay smoothly on my arm so they looked decent The first class quality , The STITCHING is best. Just wash it by hands in cold water,so easy, DON'T PUT it in washing machine because of breaking SILK ICE FABRIC easily. VERY SOFT AND SILKY!NEVER FEEL TIGHT! High Performance Fabric,DRI-fit.THE FIRST CLASS FABRIC, MUCH BETTER than polyster You understand the importance of living an active lifestyle.Please take care of your body and LOVE YOUR SKIN. We feel the amazing honor and awesome responsibility every day of supporting you. We are always with you.