Your first layer of defense in the battle against the brrrrr, the lightweight Strata 160 Bottom keeps you warm, mobile, and ready to fish in a naturally inviting, temperature-regulating wool and synthetic fabric blend. Product Features: 4-way stretch polyester knit with wool for warmth and moisture management Low-profile flatlock stitched seams for next-to-skin comfort Comfortable elastic waistband Treated with wicking and Quick-Dry Finish Treated with an Anti-microbial finish which prevents odor build-up Product Specifications: Fabric: Main: 92% POLYESTER, 8% WOOL stretch knit Gusset and Back Yoke: 92% POLYESTER, 8% Elastane Stretch Jacquard Mesh Weight: TBD