Mammut Aenergy FL Half Zip Longsleeve WomensThe ultimate high performance half zip We have chosen this piece for its incredible lightweight breathability and long venting zip. It is a piece that works really with our Brynje mesh base layers! Mammuts lightest and most technical first layer is a true multi sport MVP. Airy and breathable with offset stitching, its barely there feel is enhanced by body mapped mesh and natural sweat wicking properties for optimal temperature regulation. Quick drying
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