Coreline AR Baselayer Top Merino 270 gsm - Men's Size:S and the weather conditions are

and the weather conditions are anything but forgiving

All-conditions speed

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and achieving new climbing milestones

Coreline AR Baselayer Top Merino 270 gsm - Men's Size:S and the weather conditions areCold air. Hot engine. This midweight half zip keeps the throttle open without cooking you out. Fine 17. 5 micron merino blended with polyester for stronger wear and faster dry down. Key Features Midweight 270 gsm knit for four season layering 79% merino wool 21% polyester blend: wool feel, added durability Half zip vent to dump heat on the climb Mock neck collar for seal up warmth when the wind spikes Moisture wicking + quick dry performance for high