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This product is no longer available, but don't go just yet.


  • Active fit with 4-way stretch is perfect for outdoor training, and it also works great as a base layer in cool weather
  • Lightweight fleece features a moisture-wicking, quick-drying brushed inner face and a smooth outer face
  • Fabric offers a UPF rating of 50+
  • Side panels of Polartec® Power Dry® fabric wick moisture, dry quickly and enhance comfort
  • Deep front zipper makes it easy to put on the men's tall REI Powerflyte half-zip top, and it offers cooling ventilation when the day heats up
  • Locking zipper won't bounce around on the run
  • Zippered chest pocket stores small items and features a headphone port
  • Ergonomic seam placement, flat seams and fabric with 4-way stretch complement your natural movements
  • The REI Powerflyte half-zip top in men's tall sizes features reflective highlights that increase visibility in dim light


View all REI Men's Running Shirts

REI membership


Best Use Running
Shirt Style Zip-front
Fabric (Main) 58% polyester/32% nylon/10% spandex / (panels) 97% Polartec Power Dry polyester/3% spandex
Sun-Protective Fabric Yes
Moisture Wicking Yes
Quick Drying Yes
Sleeve Length Long Sleeve
Gender Men's

Size chart

Sizing notes

SHORT: Some pants are available in short sizes, which generally means an inseam that is 2.5 inches shorter than regular sizes. TALL: Some pants, shirts, jackets and parkas are available in tall sizes, which generally means an inseam that is 3 inches longer and a rise that is 1 inch longer, a shirt or jacket body that is 2 inches longer, a parka body that is 2.5 inches longer and sleeves that are 2.5 inches longer than regular sizes.