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Craft Extreme Zero Base Layer Short Sleeve vs Smartwool Merino 150 Base Layer Short Sleeve

Weight and specs compared for 2026 — and which one to choose.

Craft Extreme Zero Base Layer Short Sleeve is the lighter option — 53 g lighter than the Smartwool Merino 150 Base Layer Short Sleeve (40% less weight). If grams matter to you, that is the one to beat.
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Spec Craft Extreme Zero Base Layer Short Sleeve Smartwool Merino 150 Base Layer Short Sleeve
Weight 80 g · 0.080 kg · 0.18 lb 133 g · 0.133 kg · 0.29 lb
Brand Craft Smartwool
Category Clothing - Base Layer Clothing - Base Layer
Craft Extreme Zero Base Layer Short Sleeve
80 g

Ultralight merino blend base layer inspired by cycling design. Lightweight knit construction ideal for high-output activities. Excellent moisture management and...

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Smartwool Merino 150 Base Layer Short Sleeve
133 g

Lightweight 150g/m² merino wool short-sleeve base layer with natural odor resistance, ideal for warm-weather hiking and backpacking.

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Craft Extreme Zero Base Layer Short Sleeve vs Smartwool Merino 150 Base Layer Short Sleeve: which should you buy?

If saving weight is your priority, the Craft Extreme Zero Base Layer Short Sleeve wins — at 80 g it is 53 g (40%) lighter than the Smartwool Merino 150 Base Layer Short Sleeve (133 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest clothing - base layer page, or browse the full gear weight database.

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