Sole Tech made some of the best sneakers of the 90s including Raps and Sals. They popularized gum soles under brands Etnies and later éS. Then they transformed suede skate shoes into technical leather sportswear like the og Koston's, which are still untouchable.
Other notable models include the Sal 2's, Muska's, and Koston 2's.
http://etnies.com/blog/2009/03/30/heritage-the-etnies-rap/