Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip – Men's Size:L A compression-molded EVA midsole delivers

A compression-molded EVA midsole delivers real cushioning without dead weight

Lightweight stretch fabric wicks moisture and dries quickly — built for high-humidity

1 oz while holding up to the abuse of repeated trail use

Hybrid build combines synthetic-insulated chest and back panels with stretch fleece zones for warmth where it counts and mobility where you need it

and Frosty Green

Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip – Men's Size:L A compression-molded EVA midsole deliversBuilt for high output cold weather activity, the Intraknit Thermal Merino 1 4 Zip is our pick for guys who run hot and need a base layer that keeps pace. Smartwool's 3D Intraknit construction zones insulation and mesh ventilation exactly where you need them, so you stay warm without overheating. The quarter zip gives you fast temperature control when the trail kicks up. Merino wool blend manages moisture and resists odor naturally no synthetic funk