Adventure · Maximum Warmth · Extreme Durability

Adventure Heavyweight 14" OTC Alpaca Sock

Heavyweight cushion and over-the-calf coverage for cold mornings, tall boots, and long days in the field, on the trail, or on the job.

Brown tweed Adventure heavyweight 14" OTC alpaca performance sock front right view

Engineered Durability

Blend Ratios + Reinforcement

Temperature Regulation

Cool When Hot. Warm When Cold.

Moisture Management

Dry Feet. Blister Free.

Odor Resistant

Antimicrobial

Adventure · Maximum Warmth · Extreme Durability

Adventure Heavyweight 14" OTC Alpaca Sock

Heavyweight cushion and over-the-calf coverage for cold mornings, tall boots, and long days in the field, on the trail, or on the job.

$40~$13 / year based on 3 years of wear

Adventure 14" OTC is our maximum-cushion, over-the-calf sock built for cold weather, tall boots, hunting, hiking, and hard-wearing work. The heavyweight knit adds warmth and underfoot comfort, while reinforced heel and toe zones help it hold up through long days and repeated wear.

Color Brown Tweed

Brown Tweed Black Tweed

Size Medium

M L XL

Sock size	Men's US	Women's US
S	3–5	4–6
M	5–9	6–10
L	9–12	10–13
XL	12–14	13–15

Run true to size. If between sizes, size up for thicker boots.

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 Adventure performs

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.

01

maximum cushion

Our thickest knit adds underfoot comfort and impact absorption for long days in boots, cold-weather hikes, hunts, and hard-wearing work.

Mechanism · Heavyweight terry knit

02

cold-weather regulation

Hollow-core alpaca helps hold warmth when conditions are cold, then releases heat as your body warms up.

Mechanism · Hollow-core alpaca fiber

03

freshness for repeat wear

Built with natural alpaca and antimicrobial fiber to help socks stay fresher longer through extended wear and multi-day use.

Mechanism · alpaca + antimicrobial fiber