Smartwool Mens Merino 150 Baselayer Long Sleeve

Pacific Stripe
Iron Stripe
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Spring skiing or summer camping? The year-round Smartwool Merino 150 base layer long sleeve is game for either thanks to the body temp regulating and no-stink properties of Merino. Featuring Core Spun technology, Smartwool wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft Merino next to skin. They added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps.


  • Slim Fit
  • Lightweight, 150-Weight Micro Merino
  • Crew Neckline
  • Raglan Sleeves Eliminate Top Shoulder Seams
  • Lightweight Merino jersey fabric uses a nylon core
  • Flatlock Seam Construction Designed to Minimize Chafing
  • Garment Weight: 170 g = 6 oz
  • Knit in Vietnam: 87% Merino wool, 13% Nylon Core