Tom Knox Twill Elasthaneastic Waist Work Pants. The Tom Knox Thermal Embroidery LS Tee is a regular fit long sleeve. Our functional crewneck thermal T-shirt made of cotton blend thermal jersey featuring embroidered Dickies lettering on the chest and ribbed collar and cuffs, available in cream with tonal Dickies branding. Our simple soft cotton long sleeve made for an active lifestyle. Materials: THERMAL KNIT JERSEY, 60% COTTON 40% POLYESTER, 315 GSM.