Alpacas of Montana Endurance Athletic

42% alpaca, 28% acrylic, 18% nylon, 12% spandex.

no height published, drawn at a typical heightpadding: the maker doesn’t say where · Left and right fit

The footwear outline is schematic. Check the cuff with your own shoes.

$25 list price at Alpacas of Montana, checked .

Cheaper by the pack at Alpacas of Montana: 3 pairs for $67.50 ($22.50 a pair).

When you want an alpaca blend instead of merino

A hiking sock, shaped for left and right feet, with a 42% alpaca blend.

Keep in mind: Check the cuff against your shoe collar and the size against this brand’s own chart.

Closest in Alpacas of Montana’s range: the Alpaca Adventure. They differ in sizing, sock type and blend.

This sockAlpaca Adventure
SizingMen’sUnisex
Sock typeLeft and right fitStandard sock
Blend42% alpaca, 28% acrylic, 18% nylon, 12% spandex50% alpaca, 35% acrylic, 8% spandex, 7% nylon
List price at Alpacas of Montana$25$35

Compare the two side by side

Materials, padding and sock type

Left and right fit · cushion not published

None
Light
Full
Extra
Padding shown schematically. Brand labels do not share a thickness scale.
42% alpaca28% acrylic18% nylon12% spandex
Exact model
Alpacas of Montana Endurance Athletic
Style number
Not published
Size chart
Men’s / unisex chart
Cuff height
height not published
Weight (maker’s term)
Not published
Cushion (maker’s term)
Not published
Cushion location
Not published
Sock type
Left and right fit
Layers
1
Material blend
42% alpaca, 28% acrylic, 18% nylon, 12% spandex
Wool-free
No, contains wool or alpaca fiber
Facts from
Alpacas of Montana’s US site
List price at Alpacas of Montana
$25 (checked )

What Alpacas of Montana says about it

“Left and right foot specific fit”

“Reinforced toes and heels for additional durability”

“It also has built-in heel and ankle protection, and micro-mesh venting for breathability.”

The maker’s own words from its product page; not tested by HikingSocks.guide.

Cushion and weight labels are this brand’s own terms. They are not a shared thickness or temperature rating.

S
M
L
XL
4681012

US men’s

Bands follow this chart’s published ranges. S: 4–6 · M: 7–8 · L: 9–11 · XL: 11–12

Check the size and the shoe together

Start with the men’s / unisex chart for this exact model. Use the size lookup or the whole Alpacas of Montana size chart to find the published range, then check the heel position, toe room and cuff in your footwear.

The maker does not give a heel-to-cuff measurement. Try the socks with your boots to see whether the cuff sits above the collar. See how sock heights differ.

Try the selected size with the shoes and insoles you plan to use. Added cushioning should not crowd the toes or distort the heel position. The footwear-fit checklist explains what to check.

Care for the exact pair

Machine wash cold. Lay flat to dry. No bleach.

Use the care lookup for this model’s wash and dry directions. A general wool routine should not override instructions for a membrane, a two-layer construction or a specific treatment.

Another sock to compare

Both constructions contain animal fiber (wool or alpaca). This changes from anatomical to conventional. Check that the changed construction suits your footwear.

Sealskinz Suffield uses its own size chart. Compare the two socks to see where their height, material, cushioning and care differ. Matching specs don’t mean they will feel the same in your shoes.

A sock to compare with it

Same cuff height

Randy Sun THERMO Merino Waterproof

Randy Sun · height not published · not specified.

Compare side by side

Find similar socks

Product sources

For source limits and matching rules, read how this guide works.