GI Silkweight Thermal Underwear Bottom Size:2X-Large X-Long The mask is manufactured from

The mask is manufactured from a rubber mixture that resists the penetration of chemical agents

Military Spec #: CO/PD-02-02

rip-stop nylon to ensure long-lasting performance

Fastek Buckles On Rear Flap and Both Sides to Secure Load

Rib knitted cuffs and ribs

GI Silkweight Thermal Underwear Bottom Size:2X-Large X-Long The mask is manufactured fromThe undies that breathe and keep you fresh and wont bunch up! 100% Polartec Power Dry Silkweight Polyester Elastic waistband Gen III Level 1 Genuine US Military Issue Made in USA This underwear bottom is made of 100% polyester jersey knit fabric that is highly breathable and oh so very comfortable. Level 1 of the ECWCS system, this underwear will keep you feeling cool and fresh due to its moisture wicking, anti microbial, anti odor defense. Best of