-Sleeves can be rolled up and secured with button tabs -Light, stretchy nylon and spandex fabric blend lets you move freely and packs down small -Fabric offers UPF 35 sun protection -Cuffs extend over backs of hands for increased coverage -Quick-drying underarm panels are treated with -LAVA XL™ odor resistance to keep the shirt smelling fresh -Large chest pockets with snap closures -Seams are placed off of the tops of the shoulders to prevent abrasion under pack straps -Relaxed fit for easy movement -Locker loop lets you hang the shirt to dry -Size is Medium -Regular Fit