Smartwool Men&
Smartwool Men&
Smartwool Men&

Smartwool Men's Classic Thermal Merino Base Layer Bottom 2025

Regular price$115.00
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Shipping calculated at checkout.

Color
Size
  • Free Shipping over $50
  • In stock, ready to ship
  • Inventory on the way

Merino Wool has some serious superpowers - natural sweat control, stench resistance, and temp regulation. And these base layer bottoms from Smartwool are your trusty partners for long days and chilly weather with a 208g weight. Enjoy updated fit and cozy comfort thanks to flatlock seams. Keep going and stay out longer with the Smartwool Men's Classic Thermal Merino Base Layer Bottom.

SIZE CHART

Size Small Medium Large X-Large XX-Large
Chest 36”–38”
91.5-96.5cm
39”–41”
99-104cm
42”–44”
106.5-112cm
45”–48”
114.5-122cm
49”–51"
124.5-129.5cm
Waist 29”–31”
73.5-78.5cm
32”–34”
81.5-86.5cm
35”–37”
89-94cm
38”–40”
96.5-101.5cm
41”–44”
104-112cm
Hip 36”–38”
91.5-96.5cm
39”–41”
99-104cm
42”–44”
106.5-112cm
45”–48”
114.5-122cm
49”–51”
124.5-129.5cm
Arm Length 31”–32”
78.5-81.5cm
32”–33”
81.5-84cm
33”–34”
84-86.5cm
34”–35”
86.5-89cm
35”–36”
89-91.5cm
Inseam 30”–31”
76-78.5cm
31”–32”
78.5-81.5cm
32”–33”
81.5-84cm
33”–34”
84-86.5cm
34”–35”
86.5-89cm

Free Shipping on orders of $50.00 or more!

(UPS GROUND SERVICE)

  • Standard Ground Shipping $49.99 and below - $5.00
  • Expedited Shipping UPS 2 Day - $30.00
  • ** Please note some oversized items are excluded from Expedited shipping such as:
    • Bote Docks, Kayaks and Paddle Boards
    • Yakima cargo carriers
  • We ship all orders within 24-48 hours of confirmed payment
  • Continental United States only - no international shipping available

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