Every runner needs a streamlined classic crewneck long sleeve. In our new Essential Bird Knit, this long sleeve feels soft yet structured. Designed for the rigors of running, Essential Bird Knit is the perfect mid-weight fabric that breathes while still keeping you protected from the elements. Relaxed through the waist for ease of movement and comfort, the Essential Bird Long Sleeve moves effortlessly with you while you run. Of course, watch window and thumbholes are included as well as a subtle Oiselle bird logo to remind you of feeling fast and free.