Smartwool Men's Classic All-Season Merino Base Layer Crew swiss army knives The all-natural blend is highly

The all-natural blend is highly breathable and quick-drying

100% PCR and Ocean Waste Plastic (OWP) bottle

Customize Your Comfort: Use the cinch cord to tailor the firmness and support to your ideal comfort level

Bio Wash Finish

HeiQ Smart Temp body temperature-activated thermoregulation technology keeps you cool

Smartwool Men's Classic All-Season Merino Base Layer Crew swiss army knives The all-natural blend is highlySmartwool Men's Classic All Season Merino Base Layer Crew Master any season with this versatile merino base layer engineered for year round performance. Core Spun technology bonds lightweight merino wool to a nylon core, delivering exceptional durability without sacrificing the natural softness and temperature regulation merino is known for. Flatlock seams minimize chafing, while offset shoulder and side seams sit flat beneath pack strapsideal whether