Use the ArcTeryx Accelero pullover as a stand-alone piece or as a lightweight layer on cold morning outings. Highly breathable double-weave polyester has mechanical stretch and quick-drying properties. Bamboo charcoal on the inner layer provides natural moisture and odor control. Nonlocking front zipper offers ventilation options. Laminated, stretch-woven hem. Smooth, noncumbersome, stretch cuffs. Strategically placed seams and no-lift underarm gussets increase range of motion and reduce chafing. Includes a laminated zip side pocket. Reflective tonal piping improves nighttime profile.