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Rab AL Pull On Baselayer The AL (Another Layer) Pull-on is a synthetic base layer made from Polartec® PowerDry®High Efficiency stretch fabric.  The AL Pull-on is designed as a cold weather base layer or as a very light mid layer for high intensity activities. The Polartec® PowerDry® fabric offers quick drying, wicking performance as well as providing extra warmth in a lightweight package.
