This lightweight top has been designed to help reduce chafing. It's soft, sweat-wicking and helps block out UV rays so you can focus on your miles, and nothing else. Fit & Design: Regular fit shirt Modified raglan sleeves are designed to help reduce underarm chafing and allow for a wider range of motion Tapered around the waist so that layering with other pieces is easier Curved hem helps keep you covered through your stride Thumbholes let you extend your coverage and help hold the sleeves in place Watch windows on either sleeve make it easy to check time Zip pocket on the left side seam fits items like earbuds, a key or a card Reflective Swoosh logo on left chest Reflective graphics on sleeves and back Technology: Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable Provides UVA and UVB protection from the sun only in the areas covered by the garment Additional Details: Not intended for use as Personal Protective Equipment (PPE) To protect exposed areas, the use of good quality sunscreen is recommended