Mountain Hardwear - Polartec® Power Grid 1/2 Zip Jacket. Color Blue Slate Heather. Low Stock. On sale for $84.88. MSRP $140.00.. Add to favorites. 0 people have favorited thisLow StockBrand NameMountain HardwearProduct NamePolartec® Power Grid 1/2 Zip JacketGenderWomen'sColorBlue Slate HeatherPrice$84.88MSRP: $140.00Rating