Altra - Lone Peak 7. Color Dark Purple. Low Stock. On sale for $106.88. MSRP $150.00.. 3.6 out of 5 stars2 left in stock+4Brand NameAltraProduct NameLone Peak 7ColorDark PurplePrice$106.88MSRP: $150.00Rating4Rated 4 stars out of 5(257)