Banded midweight moisture wicking premium-grade 100% merino wool next-to-skin. Featuring Core Spun Technology with a moisture-wicking, merino wool outer sheath spun around a Nylon inner core; providing exceptional durability, resiliency and added stretch to adapt fit to any body type. All temperature-regulating fabric with odor-control technology.  With flatlock seam construction minimizes chafing & provides superior comfort for layering. Gusseted Design for unrestricted movement with an athletic cut.