5.9-ounce cotton/polyester jersey knit (See specifications tab for details) - Timberland PRO Original fit - WickWork technology forces the transfer of moisture away from the skin to the outside of the fabric where it can evaporate - Odor-resistant technology - Built-in 30+ UPF protection - Side-seam construction - Polyester next-to-skin with rugged cotton face - Tagless neck label - Knit rib collar - Inside back neck tape - Screen-printed chest logo