Koloa Surf Classic Wave Logo Tee's - Heavy Cotton T-Shirts, Regular, Big & Tall Koloa Surf Classic Wave Logo Tee's - Heavy Cotton T-Shirts, Regular, Big & Tall. Our best-selling heavyweight t-shirt Iis a year-round essential, ourbest-selling t-shirt has been voted "most popular" by groups, teams, clubs and schools across America. Heavyweight 6.1-ounce, 100% cotton (preshrunk). Shoulder-to-shoulder taping. Coverseamed neck. Double-needle hem 50/50 cotton/poly (Dark Heather, Safety Pink, Safety Green, Safety Orange, Heathered Cardinal, Heathered Indigo, Heathered Navy, Heathered Sapphire) 90/10 cotton/poly (Sports Grey, Antique Cherry Red, Antique Irish Green, Antique Royal) Adult Sizes: S-6XL