Phase Series: Moisture wicking base layer for interval activities. AR: All Around. Provides high performance weather protection and highlights a range of features to give All Around versatility in multiple activities. Slip on the Arc'teryx Phase AR Bottoms and get out on the trails. Whether you're wearing it under a softshell pant on the skintrack or insulated pants on a wind whipped in bounds slope, the Phase AR pant's smart combination of fabrics, wicking and quick drying capabilities, and smooth, low bulk fit keeps you warm, comfortable, and firing on all cylinders. Features: Moisture wicking Breathable Durable Quick drying Minimal odour retention Odour control fabric treatment Hydrophobic materials will not absorb water Mechanical stretch textile for unrestricted mobility Flatlock construction improves next to skin comfort Anatomical shaping for fit and comfort Gusseted crotch Comfort waistband with laminated, soft brushed finish Non chafing label 73.5 cm inseam Next to skin fit Weight: 140 g 4.9 oz Activity: All Round Materials: PhasicTM AR 87% polyester, 13% polypropylene, UPF 50, 145 gm . Double knit textile with mechanical stretch composed of multi dimensional polyester yarns that wick moisture laterally to dry quickly, plus polypropylene yarns that have silver ion encapsulated into the fibre for long lasting odour control. The smooth outer face is durably pill resistant and a lightly lofted interior adds light insulation. PhasicTM SL 70% polyester, 30% polypropylene, UPF 25, 98 gm . Reduced yarn size of polypropylene lends soft touch to 100% hydrophobic jersey knit textile with mechanical stretch. Composed of multidimensional polyester yarns that wick moisture laterally to dry quickly, plus polypropylene yarns that have silver ion encapsulated into the fibre for long lasting odour control. Very light weight with a smooth outer face that slides easily under other layers.