5.11 Tactical Tight Crew Short Sleeve Shirt - Men's Medium Black. 11 Tight Short Sleeve Crew Shirt 40005 fits the need for comfort and performance with its unique design and features. This Tactical Shirt made by 5.11 Tactical is made out of moisture-wicking anti-microbial and quick-drying fabric. The saddle-shoulder construction on the 511 Short Sleeve Tight Tactical Shirt offers greater range of motion and an underarm mesh panel that allows moisture to vent and evaporate easily. This 5.11 Crew Shirt has flat-lock seams that reduce friction in order to prevent chafing. The 5.11 Tactical Short Sleeve Crew Shirt is designed to wear under body armor but is also great for casual and workout wear. Made of 82percent polyester and 18percent spandex the 5.11 Crew Short Sleeve Under Shirt is designed to last. You can always count on 5.11 Tactical to continually provide innovative high quality products at a great price. Specifications for 5.11 Tactical Tight Crew S/S Shirt - Men's: Manufacturer: 5.11 Tactical Sleeve Length: Short Sleeve Age Group: Adults Apparel Fit: Athletic Gender: Male Color: Black Application: Tactical Style: Tight Crew Shirt Quantity: 1 Fabric/Material: Polyester/Spandex Sleeve Type: Short Sleeve Moisture Wicking: Yes Neckline: Crew Neck Odor Control/Anti Bacterial: Yes Pockets: No Fastener/Closure Type: No Features of 5.11 Tactical Tight Crew S/S Shirt - Men's: Durable comfortable and functional; Moisture wicking technology; Anti-microbial; Quick-drying; Underarm mesh panel; Flat-lock Seams; Printed Label Package Contents: 5.11 Tactical Tight Crew S/S Shirt - Men's 5.11 Tactical 40005-019-M: Tight Crew Short Sleeve Shirt - Men's Medium Black