I have no doubt the socks will last 7 years. If you only wore one pair every day they might not… you might only get 6-1/2 years!
Men's 7-Year Heavyweight Merino Boot Socks
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Size
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Color: Black
When the walking and hiking miles start piling up, you'll be glad you've got 7-Year® Heavyweight Merino Boot Socks on your feet. Full cushioning throughout this entire sock provides support and comfort without unwanted weight and bulk. Soft, insulating merino wool makes 'em plenty warm, and we've added high-tech fibers to absorb shock, wick away sweat and even fend off blisters. The biggest deal? We put 'em through abrasion testing and they’re more than TWICE as durable as original 7-Year Socks.
- Unhole-y durable, they withstand more than twice the abrasion of original 7-Year® Socks
- Merino wool feels soft, holds heat and naturally regulates temperature
- Exceptionally strong 100% recycled COOLMAX® EcoMade polyester keeps feet in their comfort zone
- Friction-fighting NanoGlide® nylon wicks moisture, fends off blisters and reduces drying time
- Fully cushioned with knit-in arch support and mesh ventilation zone
- Added toe padding is 3" higher for steel toe durability
- Heavyweight 35% COOLMAX® EcoMade polyester/25% merino wool/23% nylon/9% NanoGlide® nylon/6% polyester/2% spandex
- Crew height
- Made in USA. Some components are imported.
Size
Always tough to write a review for long term use, so first impressions of this sock is great. Soft, seems durable, on and off is easy. Predicting ot will last.
Ordered these online, one pair had long strings that had come loose hanging off of them in spots. Poor quality control.

I have been buying Duluth socks for quite awhile and so far still impressed by how well they fit and how durable. Never disappointed.
The socks are comfortable but are a bit expensive for just 1 pair.