SmartwoolApparel
Classic All-Season Merino Long Sleeve
$100
Mid-weight 200gsm merino long sleeve base layer that transitions from cold morning starts to warm afternoon sections without becoming clammy. A single shirt for wide temperature ranges.
Why We Recommend It
200gsm merino hits the sweet spot between the 150 (too light for cold) and 250 (too warm for active climbing). One shirt that handles morning cold, afternoon sun, and nighttime dips — the true all-season ultra base layer.
Specifications
Fabric100% Merino wool 200gsm
UPF20+
FitRegular
Weight~200g (M)
Role
base-layerBest Conditions
moderatecold
Where to Buy
Buy on Amazonbase-layermerinoall-seasonlong-sleevetemperature-regulation
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