Ortovox 185 Rock'N'Wool Long Sleeve vs Smartwool Merino 150 Base Layer Long 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 merino-blend long-sleeve base layer (men's) with natural odor resistance for all-season layering.
Check price Full details →Ortovox 185 Rock'N'Wool Long Sleeve vs Smartwool Merino 150 Base Layer Long Sleeve: which should you buy?
If saving weight is your priority, the Smartwool Merino 150 Base Layer Long Sleeve wins — at 150 g it is 42 g (22%) 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.