Smartwool Men's Classic Thermal Merino Base Layer One Piece color-nwco-new-navy-w 5 177 132 78 113

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and a ratchet closure for a customizable fit

you can show off your love for the snow all season long

Thermolite Insulation - Made from 100% textile waste

Ultra-durable construction is designed for taking a beating from the rails to the dance floor

Smartwool Men's Classic Thermal Merino Base Layer One Piece color-nwco-new-navy-w 5 177 132 78 113Take on cool temps with the full coverage of the Smartwool Men'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.