Prevail · Rugged Durability · All-Day Comfort
Prevail Mid-Weight 9" Crew Alpaca Sock
Reinforced mid-weight comfort for work boots, hiking boots, long shifts, and demanding days outside.
Engineered Durability
Blend Ratios + Reinforcement
Temperature Regulation
Cool When Hot. Warm When Cold.
Moisture Management
Dry Feet. Blister Free.
Odor Resistant
Antimicrobial
Prevail · Rugged Durability · All-Day Comfort
Prevail Mid-Weight 9" Crew Alpaca Sock
Reinforced mid-weight comfort for work boots, hiking boots, long shifts, and demanding days outside.
$36~$12 / year based on 3 years of wear
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 →Why Prevail performs
reinforced comfort for long days.
Prevail is built for the middle ground where most hard-use days live: enough cushion for long hours, enough structure for boots and rough terrain, and enough breathability to stay comfortable through changing conditions.
01
Reinforced wear zones
Heel, toe, and arch zones are reinforced to help handle boot friction, long shifts, rough terrain, and repeated wear.
Mechanism · Reinforced impact zones
02
balanced mid-weight cushion
Midweight cushion adds comfort for long days on your feet without the bulk of a heavyweight sock.
Mechanism · mid-weight cushion
03
freshness for repeat wear
Natural alpaca and antimicrobial fiber help support fresher-feeling comfort through long days, extended wear, and regular rotation.
Mechanism · alpaca + antimicrobial fiber
04
temperature balance
Hollow-core alpaca helps hold warmth in cooler conditions and breathe as work or movement heats up.
Mechanism · Hollow-core alpaca fiber
Specifications
Line
Prevail · Work · Outdoor
Height
9" Crew
Weight
Mid-weight · Full Cushion
Blend
40% Alpaca · 26% Polyester · 18% Nylon · 15% Antimicrobial · 1% Lycra
Best For
Work boots · Hiking boots · Long shifts · Hunting · Daily boot wear
Features
Reinforced heel and toe · Arch support · Crew-height boot coverage
Care
Machine wash cold · Tumble dry low · No bleach
Warranty
Unconditional lifetime — any wear-out, any age
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.
