Smartwool Merino 150 Long-Sleeve Base Layerssearch

Smartwool Merino 150 Long-Sleeve Base Layers

Smartwool Merino 150 Long-Sleeve Base Layers

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Lightweight Merino Wool Tee

Not all base layers are created equal. The versatile Smartwool Merino 150 long-sleeve shirt can be worn year round thanks to its body-temperature regulating properties. The merino wool, wrapped around a nylon core, is breathable and dries quickly. The men’s tee has smooth flatlock seams to help minimize chafing, while the women’s tee has merrow stitching that wraps from side to front. Wear yours while hiking, traveling, or working out at the gym.

Note: At checkout, choose the men's shirt in fire red, light loden, patterned light gray, or patterned taupe; or choose the women's shirt in black, mountain purple, patterned lilac, or patterned berry. Available sizes vary by color.

Men's Options

Fire Red
Light Gray
Light Loden

Women's Options

Mountain Purple

Men's Sizing Chart

Smartwool Merino 150 Long-Sleeve Base Layers

Women's Sizing Chart

Smartwool Merino 150 Long-Sleeve Base Layers


  • SmartWool
  • Fabric: 87% merino wool, 13% nylon core
  • Fabric weight: 150 gsm
  • Slim fit
  • Raglan sleeve design removes shoulder seams
  • Flatlock seam construction (men’s shirt)
  • Smooth merrow stitching (women’s shirt)
  • Approx. weight, men’s shirt: 6 oz (170 g)
  • Approx. weight, women’s shirt: 4.7 oz (133 g)  
  • Machine wash on warm/gentle cycle, tumble dry low


All orders will be shipped by Massdrop.

Estimated ship date is June 12, 2017 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.