Mountain Hardwear - Butter Up™ 1/2 Zip. Color Black. Low Stock. On sale for $49.00. MSRP $70.00. 30% off. Add to favorites. 0 people have favorited thisLow Stock+2Brand NameMountain HardwearProduct NameButter Up™ 1/2 ZipGenderMen'sColorBlackPrice$49.00MSRP: $70.0030% OFFRating