Lightweight comfortable coverage the HOKA Airolite Arm Sleeves are perfect for protecting runners from the Sun's rays.  Designed with UPF 40 pinhole mesh protection, the HOKA Arm Sleeves will always stay in place thanks to the silicone tape at the top and elastic thumbholes at the wrist, helping runners stay focused on their run and not on their apparel. Also, with reflective HOKA logo graphics adding low light level safety.