DRIFIRE FR Ultra Lightweight Short Sleeve Tee - Men's Marine Olive Drab Medium. This Tee Shirt from Drifire is made with dropped seams for no-rub comfort and has inherent fire protection. Specifications for DRIFIRE FR Ultra Lightweight Short Sleeve Tee - Men's: Manufacturer: DRIFIRE Body Length: Regular Length Alpha: Regular Sleeve Length: Short Sleeve Age Group: Adults Apparel Fit: Comfort Gender: Male Application: Baselayer Top Military Fabric/Material: Ultra-Lightweight 4.5 oz. Knit Compliance: Berry Compliant Moisture Wicking: Yes Sleeve Type: Short Sleeve Odor Control/Anti Bacterial: Yes Fire Resistant: Yes Features of DRIFIRE FR Ultra Lightweight Short Sleeve Tee - Men's Ultra-lightweight soft FR fabric reduces chafing and maximizes comfort Dropped flatlock seams for no-rub comfort Ribbed collar maintains shape Perfect base layer for other DRIFIRE garments USMC Certification Number: MODFRN-OD21-001105-13709 Inherent and permanent flame resistance moisture management and odor control Dries up to three times faster than cotton Package Contents: DRIFIRE FR Ultra Lightweight Short Sleeve Tee - Men's DRIFIRE DF4-505TS-MO-MD: FR Ultra Lightweight Short Sleeve Tee - Men's Marine Olive Drab Medium