Check the listing for details. Wild Thing FR Base Layer Thermal Bottom Coyote 50248 Winter Weight. Color: Coyote Tan, Condition: New with tags. Listed at 34.99 USD. The Wild Things Base Layer-FR-Winter Weight provides FR protection, moisture wicking and a superb softness for next-to-skin comfort. This material, a combination of 48% wool, 48% FR Rayon and 4% Lycra, wicks moisture well, does not retain body odor and provides superior FR protection in an outstanding base layer for active or static winter activities. Bottoms-FR-Winter Weight Gusseted crotch allows for full range of motion without constriction • Curved leg seams map the contours of the body to enhance fit and performance • Easy-access fly • Weight: 10.4oz Form fitting design with flat seam cover stitch for maximum comfort and durability • 6.2 oz/sq yd fabric weight • Antimicrobial treatment combined with Wool to resist odors • Passes ASTM 6413; No Melt, No Drip • Approved by the US Air Force for use with FR uniforms • Made in U.S.A. • Berry Amendment