Explore the best-selling girls' slippers from the leading e-commerce stores like Amazon, Target, Macy's, Walmart, etc., all in one place at TopOfStyle. Quiksilver is a global apparel brand that sells its products in over 90 countries and operates nearly 700 stores globally. Billabong, Roxy, DC Shoes, RVCA, Element Skateboards, Von Zipper, etc., are Quiksilver’s subsidiaries. Sky blue also refers to the endless water element of nature.