Pitviper Altimiter Frame Color:The Spine Tingler thanks to the innovative THINDOWN®

thanks to the innovative THINDOWN® fabric insulation that is warmer than regular down fill

Both feature a 3-D shape that matches the contours of your foot and are thermomoldable for a truly custom fit

the pants feature merino inserts in areas that are particularly sensitive to the cold

For those confident that they’ll be tucked up with a power supply and another day of winter ahead

Pitviper Altimiter Frame Color:The Spine Tingler thanks to the innovative THINDOWN®Ascend the atmosphere in The Altimeter, Pit Vipers most approachable style yet. Extreme durability, No Slip Grip, and high contrast HDPV lens technology enhances your vision whether youre camping, hiking, or stealing your neighbors wifi. Ascend the atmosphere in The Altimeter, Pit Vipers most approachable style yet. Extreme durability, No Slip Grip, and high contrast HDPV lens technology enhances your vision whether youre camping, hiking, or stealing