Ultimate 90s Rave Fashion Guide From Glow Sticks to Flower Crowns: The Evolution of Rave Fashion Suspex Rave Outfits 90s rave fashion was colorful, vibrant, and wasn't made to fit in. neon colors, cartoon character shirts, acid smiley faces, oversized overalls, and the baggiest jeans you could find. It was all 90s rave fashion was colorful, vibrant, and wasn't made to fit in. neon colors, cartoon character shirts, acid smiley faces, oversized overalls, and the baggiest jeans you could find. It was all