Smartwool Women's Classic Thermal Merino Base Layer One Piece

Take on cool temps with the full coverage of the Smartwool Women's Classic Thermal Merino Base Layer One Piece, designed for better mobility while keeping its signature Merino Wool knit. Boasting a slim fit design that lets you comfortably move through the snow in low temps, side seams create distraction-free wearing, plus a zippered drop seat and functional fly for convenience.