What counts as an ultralight clothing - base layer?

The lightest quarter of clothing - base layer items in our database weighs 150 g or less — a good practical threshold for "ultralight" in this category.

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How much does a clothing - base layer weigh?

Q: How much does a clothing - base layer weigh?

Based on 28 verified weights in the HikeLoad gear database, the median clothing - base layer weighs 185 g. The average is 191 g, with items ranging from 113 g to 337 g.

Real numbers from 28 verified clothing - base layer weights in our database — not manufacturer claims.

The median clothing - base layer weighs 185 g (0.19 kg), based on 28 items. The average is 191 g — pulled up by a few heavy outliers, which is why the median is the better benchmark for your own pack.

113 g

Lightest

150 g

Ultralight threshold (P25)

185 g

Median

337 g

Heaviest

A quarter of all clothing - base layer items weigh 150 g or less — if yours is under that, it counts as genuinely ultralight. The middle half of the market sits between 150 g and 219 g. Anything above 219 g is heavier than three-quarters of what is available today.

Lightest clothing - base layers

Patagonia Capilene Cool Daily Crew — 113 g

Smartwool Merino 150 Base Layer Short Sleeve — 133 g

Haglofs L.I.M Mid Tee — 135 g

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Full ranking of the lightest clothing - base layer →

Heaviest in the database

Icebreaker Merino 200 Oasis Long Sleeve Crew — 337 g

Icebreaker 150 Zone Long Sleeve Crewe — 274 g

Smartwool Merino 250 Crew — 270 g

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Average weight in other categories

Backpack Clothing - Mid Layer Clothing - Outer Layer Cooking Electronics First Aid Footwear Hygiene Lighting Navigation Repair Kit Safety Shelter Sleep System Tools Trekking Poles