Smartwool
Merino 150 Micro Boxer Brief
Last verified by the Lifetime Picks Editorial Team
Why we picked it
Naturally odor-resistant for multi-day wear
Warranty: Lifetime repair (Second Cut)Made in: VietnamSatisfaction: 92%
Merino wool boxer briefs that regulate temperature and resist odor naturally. Backpackers wear the same pair multiple days. Smartwool's repair program fixes holes free.
Lifetime repair (Second Cut) Made in Vietnam
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Community & Review Summary
4.6/ 5
5,000 Amazon reviews
92%
r/BuyItForLife satisfaction
200+
Total mentions (180 positive)
N/A
Amazon category rank
Price History
Above AverageJun 25Jun 26
Tracking since May 7, 2026.
Lowest
$38.69
May 7
Average
$41.84
Highest
$44.99
May 24
Pros & Cons from Reviews
Pros
- +Naturally odor-resistant for multi-day wear
- +Temperature-regulating
- +Soft merino wool
- +Smartwool repair program
Cons
- -Premium price
- -Wool requires careful washing