Why this pair works
01
Reinforced heel & toe
Nylon-reinforced impact zones survive concrete and pivot wear.
02
Continuous wicking
Dry feet at hour eleven, not just hour two — alpaca all shift.
03
Two-way regulation
Cold-morning warmth, hot-afternoon breathability. One sock.
04
Lanolin-free comfort
No itch when wet. Hypoallergenic. Soft against skin.
Build your rotation

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.

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 →
Specs
Weight
Mid-weight cushion
Blend
Reinforcement
Nylon-reinforced heel pad, toe box, and arch
Made in
USA
Care
Machine wash cold · Tumble dry low · No fabric softener
Warranty
Unconditional lifetime — any wear-out, any age
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