Arc'teryx Ossa Overshirt Men's Color:Alpine Blue 10K and half-marathon training plans

10K and half-marathon training plans from expert coaches

Cut trim following the contours of the body

fully taped seams prevent leaks

Our innovative new torso adjustment and premium injection-molded framesheet provides just-right structure to the pack and allows for a more comprehensive fit across the full spectrum of torso range

Arc'teryx Ossa Overshirt Men's Color:Alpine Blue 10K and half-marathon training plansThis new Ossa Overshirt from Arc'teryx is an ultra lightweight button up overshirt that is made with a lot tougher stretch nylon UPF 50+ fabric than your average sun windshirt that is this light in weight. Excellent durability for a lot of your outdoor needs. The fabric is slightly stretchy, highly breathable, and wind resistant. Features include textured nylon ripstop fabric that minimizes skin sticking in hot conditions, a pop up collar to help