Polartec? Power Dry? fleece's voided grid construction provides a high warmth to weight ratio, wicks moisture, has a smooth, durable outer that layers easily under a shell | 15D nylon overlay with DWR adds wind resistance and water repellency | Deep front zipper provides rapid ventilation, easy on-and-off, won?t interfere with a harness | Low-profile adjustable hood fits comfortably under a helmet | Thumb loops | Zippered chest pocket