• Image
  • Image
  • Image

Smartwool Men's Merino 250 Base Layer One Piece

Surround yourself in 100% performance-driven, breathable, thermo-regulating Merino wool comfort. Our Men's Merino 250 Base Layer One Piece was has everything'a close-fit hood, thumbholes, and even a fly and zippered drop tail for super easy 'pit stops.' Its like pajamas that help you ski better.


  • Slim Fit
  • 100% Merino wool interlock knit
  • Interlock knit provides ultimate comfort
  • Flatlock seam construction designed to eliminate chafing
  • 21" (53.3 cm) center front zipper with semi-locking slider
  • Front fly and zippered drop tail for no-fuss nature breaks
  • Close-fit hood for ease of movement and under-helmet fit
  • Zip chest pocket and thumbholes at wrist
  • Knit in Vietnam: 100% Merino Wool


Weight: 530 g (18.7 oz)
Care: Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Cool Iron As Needed. Do Not Dry Clean. Wash With Like Colors. Do Not Iron Decorations.

Ideal For:

Layering, Skiing, Snowmobiling, Backpacking, Camping