Shop through TopOfStyle and take home the best-selling women’s slippers of multiple types from Amazon, Target, Walmart, and eBay. Kappa is a global sportswear brand that serves across 130 countries. Kappa’s best-selling product categories are its men’s and women’s jackets, jogger pants, sweatshirts, and t-shirts. Sky blue is generally used in shirts and tops. It is less preferred in bottom wear.