Smartwool Classic Thermal Merino One Piece - Women's

2026 Ladies Smartwool Base Layer Suit

Meet the Women's Classic Thermal Merino Base Layer Crew One Piece, which provides a full-body layer of warmth. This 100% Merino wool one piece combines the moisture management, temperature regulation, and odor resistance of Merino with the comfort of an interlock knit. Featuring a fully functional fly, a zippered drop seat, set-in sleeves, and a flatlock seam to help prevent chafing, this base layer is designed for easy wear and maximum comfort. 

•     Fit: Slim
      Our slim fit is intended to follow the contours of the body
      Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort
      Flatlock seam construction designed to minimize chafing
      Set-in sleeves
      Side seams wrap to front for a more distraction-free fit
      Zippered drop seat
      Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.
      SW002985