Layers for Life


RESTOCKED
The Aspect Base Layer Shirt
More than just a base layer. This incredibly versatile long sleeve shirt will be in your rotation all year.

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Our fall and winter restock is arriving soon. Get notified as soon as it drops.
Fall Merino Picks
Women's Size Guide
*NOTE: Our spring/summer 2025 and fall/winter 2025 collections have new sizing for women. Each product page has the correct size chart linked from it. Older products using the previous women's sizing have a note on the product page.
Finding the right size. The measurements below refer to body size, not garment dimensions (with the exception of the specs marked actual garment measurements). If you're between sizes, either size down for a tighter fit or up for a looser fit.
Our Size | Numeric Size | Chest | Waist | Hip |
0 |
32.5" |
25.5" |
35" | |
XS | 2 |
33.5" |
26.5" |
36" |
4 | 34.5" |
27.5" |
37" | |
S | 6 | 35.5" |
28.5" |
38" |
8 | 36.5" | 29.5" | 39" | |
M | 10 | 37.5" | 30.5" | 40" |
12 | 39" | 32" | 41.5" | |
L | 14 | 40.5" | 33.5" | 43" |
16 | 42" | 35" | 44.5" | |
XL | 18 | 43.5" | 36.5" | 46" |
Looking for the inseam length? Refer to the product page to find out.
HOW TO MEASURE:
- Chest — Measure under your arms around the fullest part of your chest.
- Waist — Measure around your natural waistline.
- Hip — Measure around the fullest part of your hips.
- Sleeve Length — measured from the collar (at the highest shoulder point) to the sleeve opening
- Body Length — measured from the highest shoulder point (at collar/shoulder seam) to the hem
Men's Size Guide
Our Size | Chest | Waist | Inseam |
36" |
29" |
|
|
S |
38" |
31" | 30-31" |
39" | 32" | ||
M | 41" | 33" | 31-32" |
42" | 34" | ||
L | 44" | 35" | 32-33" |
45" | 36" | ||
XL | 48" | 38" | 33-34" |
49" | 39" | ||
XXL | 51" | 41" | 34" |
Looking for the inseam length? Refer to the product page to find out.
HOW TO MEASURE:
- Chest — Measure under your arms around the fullest part of your chest.
- Waist — Measure around your natural waistline.
- Sleeve Length — measured from the collar (at the highest shoulder point) to the sleeve opening
- Body Length — measured from the highest shoulder point (at collar/shoulder seam) to the hem

Men's Size Guide
Our Size | Chest | Waist | Inseam |
36" |
29" |
|
|
S |
38" |
31" | 30-31" |
39" | 32" | ||
M | 41" | 33" | 31-32" |
42" | 34" | ||
L | 44" | 35" | 32-33" |
45" | 36" | ||
XL | 48" | 38" | 33-34" |
49" | 39" | ||
XXL | 51" | 41" | 34" |
Looking for the inseam length? Refer to the product page to find out.
HOW TO MEASURE:
- Chest — Measure under your arms around the fullest part of your chest.
- Waist — Measure around your natural waistline.
- Sleeve Length — measured from the collar (at the highest shoulder point) to the sleeve opening
- Body Length — measured from the highest shoulder point (at collar/shoulder seam) to the hem

Women's Size Guide
*NOTE: Our spring/summer 2025 and fall/winter 2025 collections have new sizing for women. Each product page has the correct size chart linked from it. Older products using the previous women's sizing have a note on the product page.
Finding the right size. The measurements below refer to body size, not garment dimensions (with the exception of the specs marked actual garment measurements). If you're between sizes, either size down for a tighter fit or up for a looser fit.
Our Size | Numeric Size | Chest | Waist | Hip |
0 |
32.5" |
25.5" |
35" | |
XS | 2 |
33.5" |
26.5" |
36" |
4 | 34.5" |
27.5" |
37" | |
S | 6 | 35.5" |
28.5" |
38" |
8 | 36.5" | 29.5" | 39" | |
M | 10 | 37.5" | 30.5" | 40" |
12 | 39" | 32" | 41.5" | |
L | 14 | 40.5" | 33.5" | 43" |
16 | 42" | 35" | 44.5" | |
XL | 18 | 43.5" | 36.5" | 46" |
Looking for the inseam length? Refer to the product page to find out.
HOW TO MEASURE:
- Chest — Measure under your arms around the fullest part of your chest.
- Waist — Measure around your natural waistline.
- Hip — Measure around the fullest part of your hips.
- Sleeve Length — measured from the collar (at the highest shoulder point) to the sleeve opening
- Body Length — measured from the highest shoulder point (at collar/shoulder seam) to the hem
Women's Size Guide
*NOTE: Our spring/summer 2025 and fall/winter 2025 collections have new sizing for women. Each product page has the correct size chart linked from it. Older products using the previous women's sizing have a note on the product page.
Finding the right size. The measurements below refer to body size, not garment dimensions (with the exception of the specs marked actual garment measurements). If you're between sizes, either size down for a tighter fit or up for a looser fit.
Our Size | Numeric Size | Chest | Waist | Hip |
0 |
32.5" |
25.5" |
35" | |
XS | 2 |
33.5" |
26.5" |
36" |
4 | 34.5" |
27.5" |
37" | |
S | 6 | 35.5" |
28.5" |
38" |
8 | 36.5" | 29.5" | 39" | |
M | 10 | 37.5" | 30.5" | 40" |
12 | 39" | 32" | 41.5" | |
L | 14 | 40.5" | 33.5" | 43" |
16 | 42" | 35" | 44.5" | |
XL | 18 | 43.5" | 36.5" | 46" |
Looking for the inseam length? Refer to the product page to find out.
HOW TO MEASURE:
- Chest — Measure under your arms around the fullest part of your chest.
- Waist — Measure around your natural waistline.
- Hip — Measure around the fullest part of your hips.
- Sleeve Length — measured from the collar (at the highest shoulder point) to the sleeve opening
- Body Length — measured from the highest shoulder point (at collar/shoulder seam) to the hem


Our Mission
Born in the mountains and inspired by nature, Ridge makes Merino wool apparel you can rely on for all of life’s adventures.
PRESS
"The Best Wool Running Shirt for Men"
Outside Magazine
Men's Pursuit Tee
"Hiking Socks to Walk for Miles in Cool, Blister-Free Comfort"
Forbes
Minaret Hiking Socks
"Our Top Pick for a Base-Layer Shirt"
Wirecutter
Aspect Base Layer Top

Every Purchase Gives Back
When you purchase Merino wool clothing from Ridge Merino, a portion of the sale will be donated to environmental nonprofits through our partnership with 1% For The Planet.