Strength Manual for Running — Louie Simmons
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FIND YOUR FIT
Apparel measurements are taken from the garment, laid flat, in inches, except the PARRY Core Shorts waist ranges shown in their chart. Elbow sleeve measurements are body circumferences; see the dedicated section below. Tolerances are listed where applicable. If you're between sizes, size up for a relaxed fit or down for fitted.
T-SHIRTS
OG Gym, Nitro, WTB & Classic Tee
Men's, body length and chest width, laid flat, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Body Length | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Body Length Tol. | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| Chest Tolerance | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| Chest Width | 17 1/2 | 19 | 20 1/2 | 22 | 24 | 26 | 28 | 30 |
Camo Tee
Men's, length, chest and shoulder width, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Length | 24 | 26 1/4 | 28 1/4 | 29 1/4 | 30 | 31 | 32 1/4 | 33 1/2 |
| Chest | 17 1/4 | 18 1/4 | 19 | 21 | 23 | 25 1/4 | 27 | 28 1/4 |
| Shoulder Width | 14 3/4 | 16 3/4 | 18 1/4 | 20 3/4 | 22 1/2 | 23 1/2 | 24 1/2 | 26 1/2 |
Vintage Tee
Men's, body length, chest and sleeve, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Body Length | 27 | 28 | 28 1/2 | 29 1/2 | 30 3/4 | 32 1/4 | 33 1/4 | 34 1/4 |
| Chest Width | 19 7/8 | 20 7/8 | 21 7/8 | 23 7/8 | 25 7/8 | 27 7/8 | 29 7/8 | 31 7/8 |
| Sleeve Length | 7 1/4 | 7 3/4 | 8 1/4 | 8 3/4 | 9 1/4 | 9 3/4 | 10 1/4 | 10 3/4 |
TANKS
Men's OG Nitro Tank
Body length and chest width, laid flat, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Body Length | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
| Body Length Tol. | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 |
| Chest Tolerance | +/-3/4 | +/-3/4 | +/-3/4 | +/-3/4 | +/-3/4 | +/-3/4 | +/-3/4 |
| Chest Width | 16 | 18 | 20 | 22 | 24 | 26 | 28 |
HOODIES & CREWS
Men's Hoodie
Body length, chest and sleeve from center back, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
| Body Length | 27 1/2 | 28 1/2 | 29 1/2 | 30 1/2 | 31 1/2 | 32 1/2 | 33 1/2 | 34 | 34 1/2 |
| Body Length Tol. | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chest Tolerance | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chest Width | 20 1/2 | 21 | 23 | 24 1/2 | 26 1/2 | 27 1/2 | 28 1/2 | 30 | 31 1/2 |
| Sleeve Length | 34 1/2 | 35 1/2 | 36 1/2 | 37 1/2 | 38 1/2 | 39 1/2 | 40 1/2 | 41 | 41 1/2 |
| Sleeve Tolerance | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Men's Lux Hooded Sweatshirt
Body length and chest width, laid flat, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Body Length | 26 1/2 | 28 | 29 1/2 | 31 | 32 1/2 | 34 | 35 1/2 |
| Chest Width | 19 1/2 | 21 | 22 1/2 | 24 | 25 1/2 | 27 | 28 1/2 |
Crewneck Sweatshirt
Body length, chest and sleeve from center back, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
| Body Length | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Body Length Tol. | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 |
| Chest Tolerance | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 |
| Chest Width | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 |
| Sleeve Length | 32 1/2 | 33 1/2 | 34 1/2 | 35 1/2 | 36 1/2 | 37 1/2 | 38 1/2 | 39 1/2 | 40 1/2 |
| Sleeve Tolerance | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 | +/-1 |
BOTTOMS
Westside Barbell x PARRY Core Shorts — 7-inch Inseam
Black Core Shorts. Waist ranges and inseam in inches, sizes S through XXL.
| Size | Waist range (in) | Inseam (in) |
|---|---|---|
| S | 29–30 | 7 |
| M | 31–32 | 7 |
| L | 33–34 | 7 |
| XL | 35–36 | 7 |
| XXL | 37–39 | 7 |
Waist values for these shorts are listed as ranges. The general laid-flat waist instructions below do not apply to this chart.
Men's Jogger
Inseam, outseam and waist, in inches
| Measurement | XS | S | M | L | XL | 2XL |
|---|---|---|---|---|---|---|
| Inseam | 28 | 29 1/2 | 30 | 30 | 30 1/2 | 30 1/2 |
| Length Tolerance | 1 | 1 | 1 | 1 | 1 | 1 |
| Outseam | 38 | 40 | 41 | 41 1/2 | 42 1/2 | 43 |
| Waist | 26 to 28 | 28 to 31 | 31 to 33 | 33 to 35 | 35 to 38 | 38 to 42 |
| Waist Tolerance | 1 | 1 | 1 | 1 | 1 | 1 |
Nitro Sweatpant
Inseam and waist, in inches
| Measurement | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|
| Inseam | 29.5 | 30 | 30.5 | 31 | 32 | 33 |
| Waist | 16.25 | 17.25 | 18.25 | 19.25 | 20.25 | 21.25 |
Westside Men's Sweatpants
J. America 8992. Garment measurements in inches, sizes S through 3XL.
| Measurement | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|
| Waist Width (Laid Flat) | 16.25 | 17.25 | 18.25 | 19.25 | 20.25 | 21.25 |
| Inseam | 29.5 | 30 | 30.5 | 31 | 32 | 33 |
How to measure: Lay the sweatpants flat and measure straight across the waistband from edge to edge. The waist values above are garment widths, not body waist circumferences. Measure the inseam from the crotch seam to the bottom hem along the inside leg. Compare with a pair of sweatpants that fits you well.
Source: S&S Activewear, J. America 8992 size specifications.
WOMEN'S
Women's Original Gym Tee
Body length and chest width, laid flat, in inches
| Measurement | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Body Length | 25 3/4 | 26 3/8 | 27 | 27 5/8 | 28 1/4 | 28 7/8 | 29 1/2 |
| Body Length Tol. | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| Chest Tolerance | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| Chest Width | 15 1/2 | 16 1/4 | 17 1/4 | 18 1/4 | 19 3/4 | 21 1/4 | 22 3/4 |
ELBOW SLEEVES
7mm Neoprene Elbow Sleeves
Body circumference measurements in centimeters and inches — not garment measurements.
Slightly bend your elbow 30° and measure your arm circumference 4 inches (10 cm) above the elbow joint.
Open the size-guide graphic at full size
| Size | Forearm (cm) | Forearm (in) | Lower Biceps (cm) | Lower Biceps (in) |
|---|---|---|---|---|
| S | 24.1–29.2 | 9.5–11.5 | 26.7–33 | 10.5–13 |
| M | 26.7–31.8 | 10.5–12.5 | 30.5–36.8 | 12–14.5 |
| L | 30.5–35.6 | 12–14 | 33–40.6 | 13–16 |
| XL | 33–38.1 | 13–15 | 35.5–43.2 | 14–17 |
| 2XL | 35.6–40.6 | 14–16 | 39.4–48.3 | 15.5–19 |
| 3XL | 38.1–43.18 | 15–17 | 43.2–52.07 | 17–20.5 |
HOW TO MEASURE
Apparel measurements above are taken from the garment laid flat, except the PARRY Core Shorts waist ranges shown in their chart. For elbow sleeves, use the body circumference instructions in the Elbow Sleeves section. To compare against a shirt you already own and love, lay it flat on a hard surface and measure with a tape.
Body Length
From the highest point of the shoulder seam straight down to the bottom hem.
Chest Width
One inch below the armhole, measured straight across from edge to edge. Garment laid flat, not doubled.
Sleeve Length
From the center back of the collar, across the shoulder seam, all the way down to the sleeve cuff.
Shoulder Width
From the outer edge of one shoulder seam straight across to the outer edge of the other.
Inseam
From the crotch seam straight down the inside of the leg to the bottom of the hem.
Waist
Across the top of the waistband, edge to edge. Double the number for full waist circumference.
Tolerance is the acceptable variance per garment. A "+/- 1" tolerance means the actual measurement can be up to one inch over or under the listed size.
NOT SURE WHICH SIZE TO ORDER?
If you're between sizes or sizing for a specific lift or sport, send us your height, weight, and what shirt size you wear from another brand. We'll point you in the right direction.
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