Minnetonka - Silverthorne Prism. Color Black EVA. Low Stock. On sale for $22.69. MSRP $34.95.. 1.8 out of 5 starsAdd to favorites. 0 people have favorited thisLow StockBrand NameMinnetonkaProduct NameSilverthorne PrismGenderWomen'sColorBlack EVAPrice$22.69MSRP: $34.95Rating2Rated 2 stars out of 5(5)