Rab Merino+ 120 Tee vs Smartwool Merino 150 Base Layer Long Sleeve

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

Rab Merino+ 120 Tee is the lighter option — 10 g lighter than the Smartwool Merino 150 Base Layer Long Sleeve (7% less weight). If grams matter to you, that is the one to beat.

Spec	Rab Merino+ 120 Tee	Smartwool Merino 150 Base Layer Long Sleeve
Weight	140 g · 0.140 kg · 0.31 lb	150 g · 0.150 kg · 0.33 lb
Brand	Rab	Smartwool
Category	Clothing - Base Layer	Clothing - Base Layer

Rab Merino+ 120 Tee

140 g

Ultralight merino wool tee for hiking and travel.

Full details →

Smartwool Merino 150 Base Layer Long Sleeve

150 g

Lightweight merino-blend long-sleeve base layer (men's) with natural odor resistance for all-season layering.

Check price Full details →

Rab Merino+ 120 Tee vs Smartwool Merino 150 Base Layer Long Sleeve: which should you buy?

If saving weight is your priority, the Rab Merino+ 120 Tee wins — at 140 g it is 10 g (7%) lighter than the Smartwool Merino 150 Base Layer Long Sleeve (150 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.

More clothing - base layer comparisons

Rab Merino+ 120 Tee vs Patagonia Capilene Cool Daily Crew Rab Merino+ 120 Tee vs Smartwool Merino 150 Base Layer Short Sleeve Rab Merino+ 120 Tee vs Haglofs L.I.M Mid Tee Rab Merino+ 120 Tee vs Patagonia Capilene Cool Trail Shirt Rab Merino+ 120 Tee vs Icebreaker 150 Zone Long Sleeve Rab Merino+ 120 Tee vs Arc'teryx Rho LT Crew