CLOSEOUTS . Outdoor Researchand#39;s Delta zip shirt is a versatile midweight layer that moves from trail to town without missing a step. Dri-Releaseand#174; fabric breathes, wicks moisture and dries quickly for superior comfort, the FreshGuardand#174; treatment resists odor, and the zip neck provides adjustable ventilation so you wonand#39;t overheat. Available Colors: DUSK, TAOS, CHARCOAL. Sizes: S, M, L.