Base Range Omo Short Sleeve Shiny Velour Tee in River Red. The Omo top by Base Range is a shiny velour short sleeve top with a crew neck in bright River Red. This is a soft versatile top that can be used as a layering piece or styled for fun with wide leg pants and sandals. Ultra soft and stretching fabric. Formfitting style hits at the hips. Base Range is known for its responsible manufacturing and sustainable practices. 90% Modal/ 10% Polymide.