The Claim: The ultimate mountain fleece.
The Reality: The Coefficient withstood heavy winds and hose spray as well as soft shells nearly twice its weight. And the gridded back on its interior Power Dry fleece made it breathe much better. But it’s not perfect: a blackberry bramble frayed the nylon wrist gaskets.
The Verdict: A highly versatile piece for every athlete’s closet. 13 oz.