New item!
Don't let winter cold compromise your performance! These thick thermal alpaca baselayer bottoms are engineered for serious outdoor enthusiasts who demand both warmth and mobility. Thick ribbed construction traps heat while providing moisture wicking and unrestricted movement, making them ideal for hunting, skiing, hiking, snowmobiling, climbing, etc. in harsh conditions.
Alpaca's natural temperature-regulating fibers work harder than standard synthetics, keeping you insulated without bulk or restriction. Layer them under your winter gear and feel the difference—superior comfort that lets you focus on the adventure, not the cold.
Colors: Please note the color chart. Our color naming differs from the chart:
Chart color = Thermals color
Dark Fawn = Cocoa Brown
Light Silver Grey = Silver Grey
Med Silver Grey = Med Grey
Dark Silver Grey = Charcoal Grey
Care: Machine wash warm, preferably in a mesh bag, or hand wash. Lay flat to air dry.
Materials: 41% Baby Alpaca, 34% Acrylic, 23% Nylon, 2% Spandex
Size: Small/Medium and Large/XL. Styling for women and men (fly opening).
The leggings stretch both for length and width.
Sizes 10 and up should purchase the LG/XL option.
Made in Peru.
Size Chart
We know it can be difficult to purchase garments online.
Below are American standard body measurements for our alpaca clothing. For other countries we recommend a simple Google search for specific size chart equivalents such as:
https://www.google.com/search?q=us+and+uk+sizes
Please Note: if an individual item shows a different size chart, that chart would be more accurate for that specific item and should be used over the general sizes listed here.
| Sock Description | Women's Shoe | Men's Shoe | Sock Scale |
| Small | 4 – 6 ½ | 3 – 5 ½ | 7 – 9 |
| Medium | 6 ½ - 9 | 5 ½ - 8 ½ | 9 - 11 |
| Large | 9 - 13 | 8 ½ - 12 | 11 - 13 |
| X-Large | 13+ | 12 ½ - 15 | 13 - 15 |
| XX-Large | 15 ½ to 18 | 15 - 18 |
| Size Name | XS | S | M | L | XL | ||||
| Size Number | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| Bust | 33 ½ | 34 ½ | 35 1/2 | 36 ½ | 38 | 39 ½ | 41 | 43 | 45 |
| Waist | 25 ½ | 26 ½ | 27 1/2 | 28 ½ | 30 | 31 ½ | 33 | 35 | 37 |
| Hip | 35 ½ | 36 ½ | 37 1/2 | 38 ½ | 40 | 40 ½ | 43 | 45 | 47 |
| Sleeve | 29 ½ | 30 | 30 1/2 | 31 | 31 ½ | 32 | 32 ½ | 33 | 33 ½ |
| Size | XS | S | M | L | XL | XXL | XXXL |
| Chest | 30-32 | 34-36 | 38-40 | 42-44 | 46-48 | 50-52 | 54-56 |
| Waist | 24-26 | 28-30 | 32-34 | 36-38 | 40-42 | 44-46 | 48-50 |
| Sleeve | 28-30 | 23-33 | 33-34 | 34-35 | 35-36 | 36-37 | 37-38 |
Youth Body Measurements Size Chart
| Gender | XS | S | M | L | XL |
| Youth (size) | 2-4 (4-5 yrs) |
6-8 |
10-12 (9-10 yrs) |
14-16 (11-12 yrs) |
18-20 (same as men's small) |
Hand Sizes Based Upon Hand Width, for Men and Women
Measure hand around palm at bottom of fingers.
"Unisex" sizes = Men's sizes
| Size | S | M | L | XL | XXL |
| Men |
8 |
8 1/2 | 9 | 9 1/2 | 10 |
| Women |
6 1/2 |
7 | 7 1/2 | 8 | 8 1/2 |
Youth Hat Measurements
Measure around largest point of head.
| Youth Hat | Infant XS/S | S/M | L/XL |
| Head Size (inches) |
19 1/2 - 20 |
20 1/8 - 21 1/8 | 21 1/8 - 22 1/8 |
| Hat Size |
6 - 6 1/8 |
6 1/4 - 6 1/2 | 6 1/2 - 6 7/8 |
We will be glad to personally work with you to help you find the perfect item in the right size.
- Online Chat
- Email sizing@purelyalpaca.com
- Toll Free at 1-877-PURELYA (877-787-3592)
Shop confidently with our unique 100% RETURN PLEDGE
New item!
Don't let winter cold compromise your performance! These thick thermal alpaca baselayer bottoms are engineered for serious outdoor enthusiasts who demand both warmth and mobility. Thick ribbed construction traps heat while providing moisture wicking and unrestricted movement, making them ideal for hunting, skiing, hiking, snowmobiling, climbing, etc. in harsh conditions.
Alpaca's natural temperature-regulating fibers work harder than standard synthetics, keeping you insulated without bulk or restriction. Layer them under your winter gear and feel the difference—superior comfort that lets you focus on the adventure, not the cold.
Colors: Please note the color chart. Our color naming differs from the chart:
Chart color = Thermals color
Dark Fawn = Cocoa Brown
Light Silver Grey = Silver Grey
Med Silver Grey = Med Grey
Dark Silver Grey = Charcoal Grey
Care: Machine wash warm, preferably in a mesh bag, or hand wash. Lay flat to air dry.
Materials: 41% Baby Alpaca, 34% Acrylic, 23% Nylon, 2% Spandex
Size: Small/Medium and Large/XL. Styling for women and men (fly opening).
The leggings stretch both for length and width.
Sizes 10 and up should purchase the LG/XL option.
Made in Peru.