The Arcteryx Phase AR Zip Neck is a very popular mid weight, long sleeve base layer for working hard in cold temperatures. Its a versatile piece, as it can be used for a range of activities.
Its popularity is down to the excellent performance of the Phasic™ fabric that keeps you warm when descending and dry when ascending. It has a soft touch and is stretchy to compliment its excellent fast wicking performance. The Phase AR Zip Neck utilizes hybrid mapping to reduce bulk, which in turn, leads to improved thermal regulation. It also has a DAO™ - Durable Anti Odour finish, which means it will prevent odours for longer. The tall collar keeps drafts out and when your too warm, the long chest zip assists with regulating your temperature.
Phasic™ base layer fabric is compiled from two different yarns. The first is a non absorbent hydrophobic yarn, which will shed water molecules pushing them onto the PHi yarn. Silver ions are encapsulated into the hydrophobic fibres of the yarn, which provide anti-microbial properties to help eliminate odour.
The second yarn is PHi, a multi dimensional yarn, which wicks moisture laterally along the length of the yarn, effectively dispersing moisture evenly across the garment. Temperature regulation is improved as this dispersal, eliminates cold spots. As you slow down or stop, the fabric will dry quickly, as a result of the larger surface area the moisture is covering. This quick evaporation helps to retain body heat.
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