Adventure Heavyweight 9" Crew Alpaca Sock
Maximum cushion and crew-height coverage for cold mornings, hiking boots, work boots, and long days outside or on the job.
Adventure Heavyweight 9" Crew Alpaca Sock
Maximum cushion and crew-height coverage for cold mornings, hiking boots, work boots, and long days outside or on the job.
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We'll email you as soon as this pair is back. Stock can move fast, so keep an eye out.
Same blend system. Different builds.
Most Altera customers run a multi-pair rotation — same engineered blend, different cushion and height for what the day demands.
maximum cushion for cold, demanding days.
Adventure is built for the days that ask more from your socks: cold starts, heavier boots, long hours, rough terrain, and repeated wear in the field, on the trail, or on the job.
REVIEWS
See what customers say after wearing Altera where socks actually have to perform: work, outdoor, sport, travel, and everyday life.
Unconditional Lifetime Warranty
If they ever wear out — heel, toe, cuff, anything — we replace them. No fine print, no original-purchaser clause, no expiration on any line we make.
See full warranty →