Buy Budget Base Layers and Underwear
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Synthetic Base Layers
Synthetic base layers may be the best choice for budget backpackers because quality options are available at low prices.
Men's Synthetic Base Layer Shirts
Women's Synthetic Base Layer Shirts
Men's Synthetic Base Layer Pants
$19.99 as of 8/9/2025
MSRP $25.99
Women's Synthetic Base Layer Pants
Merino Wool Base Layers
If you are on a budget, it might be better to buy synthetic base layers because budget merino-wool base layers tend to be lower quality than expensive brands. However, you might prefer merino wool if you prioritize odor-resistance.