The lightest Clothing - Base Layer, ranked by weight

We ranked 33 products in the Clothing - Base Layer category by real measured weight. Here are the 25 lightest — the Craft Extreme Zero Base Layer Short Sleeve leads at just 80g.

80g
Lightest
178g
Average
274g
Heaviest
33
Compared
# Product Weight
1
Craft
Extreme Zero Base Layer Short Sleeve
80g
0.080 kg · 0.18 lbs
2
Ridge Merino
Journey T-Shirt
111g
0.111 kg · 0.24 lbs
3
Patagonia
Capilene Cool Daily Crew
113g
0.113 kg · 0.25 lbs
4
Ibex
Woolies Pro Tech Crew
133g
0.133 kg · 0.29 lbs
5
Smartwool
Merino 150 Base Layer Short Sleeve
133g
0.133 kg · 0.29 lbs
6
Haglofs
L.I.M Mid Tee
135g
0.135 kg · 0.30 lbs
7
Patagonia
Capilene Cool Trail Shirt
140g
0.140 kg · 0.31 lbs
8
Rab
Merino+ 120 Tee
140g
0.140 kg · 0.31 lbs
9
Ridge Merino
Pursuit Ultralight Merino Hoodie
142g
0.142 kg · 0.31 lbs
10
Icebreaker
150 Zone Long Sleeve
150g
0.150 kg · 0.33 lbs
11
Smartwool
Merino 150 Base Layer Long Sleeve
150g
0.150 kg · 0.33 lbs
12
Arc'teryx
Rho LT Crew
155g
0.155 kg · 0.34 lbs
13
Fjallraven
Abisko Wool Tee
155g
0.155 kg · 0.34 lbs
14
Smartwool
Merino 150 Base Layer Top
163g
0.163 kg · 0.36 lbs
15
Icebreaker
200 Oasis Leggings
175g
0.175 kg · 0.39 lbs
16
Icebreaker
200 Oasis Crew
180g
0.180 kg · 0.40 lbs
17
Icebreaker
Merino 200 Oasis Long Sleeve Crewe
185g
0.185 kg · 0.41 lbs
18
Patagonia
Capilene Midweight Crew
185g
0.185 kg · 0.41 lbs
19
Ortovox
185 Merino Rock'n'Wool
187g
0.187 kg · 0.41 lbs
20
REI Co-op
Merino Wool Base Layer Crew
190g
0.190 kg · 0.42 lbs
21
Ortovox
185 Rock'N'Wool Long Sleeve
192g
0.192 kg · 0.42 lbs
22
Montbell
Merino Wool Tights
200g
0.200 kg · 0.44 lbs
23
Norrona
Wool round neck
200g
0.200 kg · 0.44 lbs
24
Smartwool
Intraknit Merino Top
200g
0.200 kg · 0.44 lbs
25
Ridge Merino
Aspect Crew
204g
0.204 kg · 0.45 lbs

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Showing the 25 lightest of 33 products in this category. See all 33 Clothing - Base Layer items →

Wondering how your own clothing - base layer stacks up? See the average clothing - base layer weight →

How we rank the lightest Clothing - Base Layer

Every item on this page comes from the HikeLoad gear weight database, sorted purely by manufacturer-listed weight in grams — no sponsored placements. For ultralight and lightweight backpacking, your clothing - base layer is one of the easiest places to shave grams without sacrificing function, so seeing the full range side by side makes it easy to spot the best weight-to-need trade-off.

The 33 products in this category range from 80g up to 274g, with an average of 178g. Tap any item to see its full weight breakdown in kilograms and pounds, then add it to your kit in the free HikeLoad gear planner to see how it affects your total pack weight.

Lightest pick
Craft
Extreme Zero Base Layer Short Sleeve
80g
0.080 kg · 0.18 lbs
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