What counts as an ultralight clothing - base layer?

The lightest quarter of clothing - base layer items in our database weighs 142 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 33 verified weights in the HikeLoad gear database, the median clothing - base layer weighs 185 g. The average is 178 g, with items ranging from 80 g to 274 g.

Real numbers from 33 verified clothing - base layer weights in our database — not manufacturer claims.

The median clothing - base layer weighs 185 g (0.19 kg), based on 33 items. The average is 178 g — pulled up by a few heavy outliers, which is why the median is the better benchmark for your own pack.

80 g

Lightest

142 g

Ultralight threshold (P25)

185 g

Median

274 g

Heaviest

A quarter of all clothing - base layer items weigh 142 g or less — if yours is under that, it counts as genuinely ultralight. The middle half of the market sits between 142 g and 204 g. Anything above 204 g is heavier than three-quarters of what is available today.

Lightest clothing - base layers

Craft Extreme Zero Base Layer Short Sleeve — 80 g

Ridge Merino Journey T-Shirt — 111 g

Patagonia Capilene Cool Daily Crew — 113 g

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Full ranking of the lightest clothing - base layer →

Heaviest in the database

Icebreaker 150 Zone Long Sleeve Crewe — 274 g

Smartwool Merino 250 Crew — 270 g

Ridge Merino Aspect Midweight Long Sleeve Crew — 235 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