We use our own and third-party cookies to personalize content and to analyze web traffic.
Read more about cookies
Size Guides
Size Chart, Measuring and Fit Guide
First Ascent apparel is technically designed to provide you with the best fit for comfort and performance. It is very important to wear a correctly size product for your body size to ensure maximum comfort. Please read through our measuring guide and see appropriate size charts below for your product.
Jump to section
First Ascent Ladies
Size & Fit Guide
Size chart
Fit guide
How to measure
Size chart
Size | XS | S | M | L | XL | 2XL |
|---|---|---|---|---|---|---|
Chest | 78-84 | 84-90 | 90-98 | 98-106 | 106-114 | 114-120 |
Waist | 60-66 | 66-72 | 72-80 | 80-88 | 88-96 | 96-104 |
Hip | 84-90 | 90-96 | 96-104 | 104-112 | 112-120 | 120-128 |
Sleeve over arm | 72 | 74 | 76 | 78 | 80 | 82 |
Fit guide
See which fit matches this product
Each of our products are designed and shaped specifically for its intended use.As our products are technically designed, it is very important that the product fits you accordingly. We categorise our products into four general fit types.
Athletic Fit
Conforms to the body’s contours.
Slim Fit
Closer-fitting. Slim-fitting technical garments may be worn over baselayers and light midlayers.
Regular Fit
Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers.
Relaxed Fit
Drapes loosely on the body and can be worn over other layers
Expedition Fit
A very loose fit that is designed to be worn over insulating jackets and baselayers.
How to measure
A CHEST
Measure around the fullest part, across chest points, keeping the tape horizontal.
B SLEEVE
With elbow bent, measure from the center (back) of neck to elbow and down to wrist.
C WAIST
Measure around the narrowest part (typically the small of your back and where your body bends side to side), keeping the tape horizontal.
D HIP
Measure around the fullest part of your hips keeping the tape horizontal.
E LEG IN-SEAM
Measure from the crotch to bottom of the leg.
First Ascent Men's
Size & Fit Guide
Size chart
Fit guide
How to measure
Size chart
Size | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
Chest | 84-90 | 90-96 | 96-104 | 104-112 | 112-120 | 122-130 | 132-140 | 142-150 | 152-160 |
Waist | 69-75 | 75-81 | 81-89 | 89-97 | 97-105 | 107-115 | 117-125 | 127-135 | 137-145 |
Hip | 84-90 | 90-96 | 96-104 | 104-112 | 112-120 | 122-130 | 132-140 | 142-150 | 152-160 |
Sleeve over arm | 76 | 78 | 80 | 82 | 84 | 86.5 | 89 | 91.5 | 94 |
Fit guide
See which fit matches this product
Each of our products are designed and shaped specifically for its intended use.As our products are technically designed, it is very important that the product fits you accordingly. We categorise our products into four general fit types.
Athletic Fit
Conforms to the body’s contours.
Slim Fit
Closer-fitting. Slim-fitting technical garments may be worn over baselayers and light midlayers.
Regular Fit
Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers.
Relaxed Fit
Drapes loosely on the body and can be worn over other layers
Expedition Fit
A very loose fit that is designed to be worn over insulating jackets and baselayers.
How to measure
A CHEST
Measure around the fullest part, across chest points, keeping the tape horizontal.
B SLEEVE
With elbow bent, measure from the center (back) of neck to elbow and down to wrist.
C WAIST
Measure around the narrowest part (typically the small of your back and where your body bends side to side), keeping the tape horizontal.
D HIP
Measure around the fullest part of your hips keeping the tape horizontal.
E LEG IN-SEAM
Measure from the crotch to bottom of the leg.
First Ascent Gloves
Size Guide
Size chart
How to measure
Size chart
Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
Hand Length (cm) | 13-15 | 16-17 | 18-19 | 20-21 | 22-23 |
Unisex Circumference (cm) | 18-19 | 20-22 | 23-24 | 25-26 | |
Ladies Circumference (cm) | 14-15 | 16-18 | 19-21 | 21-23 |
How to measure
MEASURING GUIDE
TIP: Don't have a measuring tape? Wrap a piece of string around your knuckles, and then measure the string with a regular ruler.
A - Hand length measurement
With your hand open, measure from the tip of your middle finger, down to the crease at the base of your palm.
B - Palm circumference
With your hand open, measure around the knuckles.
First Ascent Headwear
Size Guide
Size chart
How to measure
Size chart
Size | ONE SIZE | XS | S | M | L |
|---|---|---|---|---|---|
Unisex Head Circumference (cm) | 54-60 | 51-54 | 54-57 | 57-60 | 60-63 |
Junior Head Circumference (cm) | 51-54 | 54-57 | 57-60 |
How to measure
MEASURING GUIDE
TIP: Don't have a measuring tape? Measure your head with a piece of string, and then measure the string with a regular ruler.
A - Head Circumference
Measure around the widest part of your head.
