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Help keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric—perfect for your layering needs.
Measure yourself, not the garment.
| Size | S | M | L | XL |
|---|---|---|---|---|
| Hip (in) | 37–39 | 40–42 | 43–45 | 46–48 |
| Inseam (in) | 30–31 | 31–32 | 32–33 | 33–34 |
| Weight (lb) | 130–155 | 155–180 | 180–210 | 210–240 |
| Height (ft) | 5'5"–5'7" | 5'7"–5'9" | 5'9"–5'11" | 5'11"–6'1" |
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