*Sizing Note* Carhartt are more generously sized you may need to consider dropping down a size from your traditional workwear clothing. Wear on its own or layer up for the winter this long-sleeved tee has fast drying technologies and can reduce odours...so techy for a t-shirt! The Carhartt Force Extremes Long Sleeve T Shirt offers rugged flex technology for ease of movement in everyday use. Perfect and practical in every way., FastDry with 37.5 Technology makes this our fastest drying gear., Rugged Flex technology for ease of movement., Fights odors: traps and releases them in the wash., Carhartt heat label transfer on left chest., Tagless neck label.