We pull on the R3 when we want to get the best of Old Man Winter while still going easy on Mother Earth. It's a versatile warmer or a high-pile mid-layer. Made of Polartec High Loft™ fleece, the R3 is the warmest in Patagonia's Regulator series. Reversible: plush on one side and smooth on the other. Warms even when wet. Elastic binding at hood, cuffs, hem to seal in warmth. Smooth side: 1 secure pocket; plush side: 2 handwarmer pockets. Recycled poly/poly/spandex. XS(2), S(4-6), M(8-10), L(12-14), XL(16).