Smartwool Intraknit Thermal Merino Base Layer Crew – Men's

Smartwool Intraknit Thermal Merino Base Layer Crew – Men'sWhen temperatures drop and output stays high, this is the base layer we reach for first. Intraknit construction places denser merino where you need warmth and open mesh where you need airflow no guesswork, no compromises. It layers flat, resists odor through multi day use, and moves without binding. Intraknit technology body maps insulation and ventilation zones into a single knit structure no seams between panels, no bulk Merino wool blend regulates

A dual-layer CloudTec Phase® midsole with Helion™ superfoam delivers a soft

Moisture-wicking construction pulls sweat away so you stay dry during low-to-moderate output

the H1 is our top pick for runners who want max cushion without sacrificing responsiveness

Built for warm-weather days on the trail or traveling between trailheads

no problem

This full-zip hooded fleece jacket layers easily over base layers or under a shell

Moisture-wicking fabric pulls sweat away so you stay dry as body heat builds during the run

the sandal includes an elastic backstrap on smaller sizes (2/3 to 9/10)

while a recycled shell and lining keep your conscience as warm as your core

Waterproof construction seals out snow and wet conditions — no soggy socks on cold mornings

Upper is built from approximately 92% recycled polyester

so a surprise rain shower won't leave you shivering