Ortovox 185 Rock'N'Wool Long Sleeve vs Smartwool Merino 150 Base Layer Short Sleeve
Weight and specs compared for 2026 — and which one to choose.
Mid-weight 100% merino long-sleeve base layer with body-mapped zones for warmth, breathability and odor control.
Check price Full details →Lightweight 150g/m² merino wool short-sleeve base layer with natural odor resistance, ideal for warm-weather hiking and backpacking.
Check price Full details →Ortovox 185 Rock'N'Wool Long Sleeve vs Smartwool Merino 150 Base Layer Short Sleeve: which should you buy?
If saving weight is your priority, the Smartwool Merino 150 Base Layer Short Sleeve wins — at 133 g it is 59 g (31%) lighter than the Ortovox 185 Rock'N'Wool Long Sleeve (192 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.