Tshirt Styles These are the most popular and best-selling styles. From cool, lightweight fabrics to oversized shirts made of thick fabric with wide collars. Gildan Heavyweight Gildan Hammer Port & Co Core Cotton Port & Co Essential American Apparel Lightweight American Apparel Heavycotton Comfort Colors (Dye Garment) Bella Canvas Next Level 3600 Next Level 7200 Shakawear 7.5oz Heavyweight Shakawear Dye Garment