Clarks - Calla Zip. Color Dark Olive Leather. On sale for $42.95. MSRP $130.00.. 3.2 out of 5 stars+3Brand NameClarksProduct NameCalla ZipGenderWomen'sColorDark Olive LeatherPrice$42.95MSRP: $130.00Rating3Rated 3 stars out of 5(18)