Koloa Surf Co. Vintage Wave Colorful Tie-Dye T-Shirts in 17 Colors. Sizes: S-4XL Koloa Surf Company has the perfect Colorful Tie-Dye T-Shirt for you. 5.4-ounce, 100% pigment-dyed cotton. Koloa Surf Co(tm) Vintage Wave Logo on Front of Shirt. Sewn with cotton thread for a finished look Rib knit crewneck, Taped neck and shoulders, Double-needle sleeves and hem Adult Sizes: S-4XL