Check out top-selling men's designer baseball, dress, ivy & flat, beanies, fedoras, ascot, trilby, berets, bucket, derby, bowler, Panama, and straw hats. Collusion’s range of fashionable clothing for young women and men starts from as low as $15 onwards. Unisex hoodies, Collusion knitted cardigans for women, and baggy pants are the brand’s best-selling products. Sky blue also refers to the endless water element of nature.