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#1 Oklahoma State Cowboys Game Jersey - Black

XS-CHEST-31-5-35IN-LY7127
From 4 interest-free payments of $39.78 with Klarna
From 4 interest-free payments of $39.78 with Klarna
$57.60 USD
$89.90 USD
Shipping fees will be calculated at checkout.
Size

Size Guide

 

Sports Fan Gear Size Guide

Standard Measurement Matrix

Find Your Perfect Jersey Fit

Get the ideal fit for every sports fan in your family. All parameters for our NFL, NBA, MLB, NHL, and 2026 World Cup soccer jerseys are detailed in both metric (cm) and imperial (in) standards below.

Baby (0-24M) Kids (2-12Y) Youth (8-16Y) Women's Tops Men's Tops Shorts

Baby Size Guide (0-24 Months)

Designed for newborns to toddlers.

Size Label Age Height (cm) Height (in) Weight (kg) Weight (lbs)
Newborn 0 - 1 month 50 - 56 cm 19.5 - 22" 3 - 5 kg 7 - 11 lbs
0 - 3M 0 - 3 months 56 - 62 cm 22 - 24.5" 5 - 7 kg 11 - 15.5 lbs
3 - 6M 3 - 6 months 62 - 68 cm 24.5 - 27" 7 - 8.5 kg 15.5 - 19 lbs
6 - 9M 6 - 9 months 68 - 74 cm 27 - 29" 8.5 - 9.5 kg 19 - 21 lbs
9 - 12M 9 - 12 months 74 - 80 cm 29 - 31.5" 9.5 - 11 kg 21 - 24 lbs
12 - 18M 12 - 18 months 80 - 86 cm 31.5 - 34" 11 - 12.5 kg 24 - 27.5 lbs
18 - 24M 18 - 24 months 86 - 92 cm 34 - 36" 12.5 - 14 kg 27.5 - 31 lbs

Kids Size Guide (2-12 Years)

Size Label Age Height (cm) Height (in) Chest (cm) Chest (in) Waist (cm) Waist (in)
2T 2 years 86 - 92 cm 34 - 36" 53 cm 21" 51 cm 20"
3T 3 years 92 - 98 cm 36 - 38.5" 55 cm 21.5" 52 cm 20.5"
4T 4 years 98 - 104 cm 38.5 - 41" 57 cm 22.5" 53 cm 21"
5 5 years 104 - 110 cm 41 - 43.5" 59 cm 23" 54 cm 21.5"
6 6 years 110 - 116 cm 43.5 - 45.5" 61 cm 24" 56 cm 22"
7 7 years 116 - 122 cm 45.5 - 48" 63 cm 25" 57 cm 22.5"
8 8 years 122 - 128 cm 48 - 50.5" 66 cm 26" 59 cm 23"
9 - 10 9 - 10 years 128 - 140 cm 50.5 - 55" 69 - 72 cm 27 - 28.5" 62 - 64 cm 24.5 - 25"
11 - 12 11 - 12 years 140 - 152 cm 55 - 60" 76 - 79 cm 30 - 31" 66 - 69 cm 26 - 27"

Youth Size Guide (8-16 Years)

Size Label Age Scale US Size Height (cm) Height (in) Chest (cm) Chest (in) Waist (cm) Waist (in)
XS 7 - 8 Yrs 7 122 - 128 cm 48 - 50" 64 - 67 cm 25 - 26.5" 57 - 59 cm 22.5 - 23"
S 8 - 10 Yrs 8 - 10 128 - 140 cm 50 - 55" 69 - 72 cm 27 - 28.5" 60 - 64 cm 23.5 - 25"
M 10 - 12 Yrs 10 - 12 140 - 152 cm 55 - 60" 74 - 77 cm 29 - 30.5" 65 - 69 cm 25.5 - 27"
L 12 - 14 Yrs 12 - 14 152 - 164 cm 60 - 64.5" 79 - 84 cm 31 - 33" 70 - 75 cm 27.5 - 29.5"
XL 14 - 16 Yrs 14 - 16 164 - 172 cm 64.5 - 68" 86 - 91 cm 34 - 36" 76 - 81 cm 30 - 32"

Women's Shirts & Tops

Size Label US Size UK Size EU Size Bust (cm) Bust (in) Waist (cm) Waist (in)
XS 0 - 2 4 - 6 32 - 34 81 - 84 cm 32 - 33" 61 - 64 cm 24 - 25"
S 4 - 6 8 - 10 36 - 38 86 - 89 cm 34 - 35" 66 - 69 cm 26 - 27"
M 8 - 10 12 - 14 40 - 42 91 - 94 cm 36 - 37" 71 - 74 cm 28 - 29"
L 12 - 14 16 - 18 44 - 46 99 - 102 cm 39 - 40" 79 - 82 cm 31 - 32"
XL 16 - 18 20 - 22 48 - 50 107 - 112 cm 42 - 44" 86 - 91 cm 34 - 36"
XXL 20 - 22 24 - 26 52 - 54 117 - 122 cm 46 - 48" 96 - 102 cm 38 - 40"

Men's Tops & Sports Jerseys

Size Label US Size UK Size EU Size Chest (cm) Chest (in) Waist (cm) Waist (in)
XS 34 34 44 86 - 89 cm 34 - 35" 71 - 74 cm 28 - 29"
S 36 36 46 91 - 94 cm 36 - 37" 76 - 79 cm 30 - 31"
M 38 - 40 38 - 40 48 - 50 96 - 102 cm 38 - 40" 81 - 86 cm 32 - 34"
L 42 42 52 107 - 112 cm 42 - 44" 89 - 94 cm 35 - 37"
XL 44 44 54 117 - 122 cm 46 - 48" 96 - 102 cm 38 - 40"
XXL 46 - 48 46 - 48 56 - 58 127 - 132 cm 50 - 52" 104 - 109 cm 41 - 43"
3XL 50 - 52 50 - 52 60 - 62 137 - 142 cm 54 - 56" 112 - 118 cm 44 - 46"

Shorts Size Guide

Men's Shorts

Size Waist (cm) Waist (in)
XS 71 - 74 cm 28 - 29"
S 76 - 81 cm 30 - 32"
M 84 - 89 cm 33 - 35"
L 91 - 97 cm 36 - 38"
XL 99 - 104 cm 39 - 41"
XXL 107 - 112 cm 42 - 44"

Women's Shorts

Size US Size Waist (cm) Waist (in)
XS 0 - 2 61 - 64 cm 24 - 25"
S 4 - 6 66 - 69 cm 26 - 27"
M 8 - 10 71 - 74 cm 28 - 29"
L 12 - 14 79 - 82 cm 31 - 32"
XL 16 - 18 86 - 91 cm 34 - 36"
Measurement Advice & Fitting Guidance:

Size charts serve as general fitting standards for SportsFanFit merchandise. Actual fits may slightly vary across NFL, NBA, MLB, and 2026 World Cup soccer jersey versions. If your measurements fall between two sizes, we recommend selecting the larger size for optimal athletic comfort. Need help? Contact us at jerseyhelp@hotmail.com.

 
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Oklahoma State Cowboys · this season

#1 Oklahoma State Cowboys Game Jersey - Black

Every NCAA Football season writes a new story, and Oklahoma State Cowboys fans know better than anyone how quickly legends are made. Be part of it in this this season matchday look.

Overview
Designed to echo the on-field look without the on-field price tag, it delivers the pro-style aesthetic in a relaxed everyday fit.

This Season’s Look — This this season version keeps the look current while staying true to what fans love about Oklahoma State Cowboys.

Comfort That Lasts All Matchday — A breathable knit that balances stretch and structure, moving with you instead of against you.

A Fit for Real Fans — Relaxed through the body with clean lines, so it layers neatly over a tee or under a hoodie when the evening cools off.

Style That Reads from the Parking Lot — The Black colorway stands out in a crowd without trying too hard.

Built to Hold Up — Attention to the small stuff — even stitching, smooth collar line, and a print that doesn't crack after a few wears.

Look just like your favorite Oklahoma State Cowboys players when they're on the field with this #1 Game jersey from . It features Dri-FIT technology so you can stay sweat-free and comfortable on game day.
Style Guide
Perfect for stadium Saturdays, sports-bar Sundays, and every watch party in between. From the tailgate to the grocery store, it quietly announces your allegiance without saying a word.

Whether it's Father's Day, a graduation, or just a 'thanks for being a fan' — this one lands.
Specifications

Style: fan-version game-day jersey with the matchday look of Oklahoma State Cowboys.

Fit: men's sizing; check the size chart for exact chest measurements.

Number: 1 — rep the look with the number on the chest.

True to size for most fans; if you prefer a looser, game-day layering fit, consider going one size up.

Support
Every size option is listed on the product page, so you can pick with confidence before checkout. What you see is what you get — clear photos, honest sizing, and a fan version described exactly as it is.

A little care goes a long way — cold wash, air dry, and this jersey stays game-day ready for years.

Need help? Email jerseyhelp@hotmail.com

What size works for game-day tailgates?+
College fan jerseys run in standard US sizes; most fans size up one for the classic roomy tailgate fit.
What's the difference between this fan version and the on-field version?+
This is a fan-version jersey inspired by the on-field look — same visual identity, with a comfortable everyday cut and a much friendlier price. It's designed for wearing, not just displaying.
Why is this priced lower than some retail stores?+
We sell direct-to-fan with streamlined operations, which keeps fan gear affordable without cutting corners on the essentials.
Show up, stand out, cheer loud — this Oklahoma State Cowboys jersey is one click away.
Oklahoma State Cowboys · this season

#1 Oklahoma State Cowboys Game Jersey - Black

Every NCAA Football season writes a new story, and Oklahoma State Cowboys fans know better than anyone how quickly legends are made. Be part of it in this this season matchday look.

Overview
Designed to echo the on-field look without the on-field price tag, it delivers the pro-style aesthetic in a relaxed everyday fit.

This Season’s Look — This this season version keeps the look current while staying true to what fans love about Oklahoma State Cowboys.

Comfort That Lasts All Matchday — A breathable knit that balances stretch and structure, moving with you instead of against you.

A Fit for Real Fans — Relaxed through the body with clean lines, so it layers neatly over a tee or under a hoodie when the evening cools off.

Style That Reads from the Parking Lot — The Black colorway stands out in a crowd without trying too hard.

Built to Hold Up — Attention to the small stuff — even stitching, smooth collar line, and a print that doesn't crack after a few wears.

Look just like your favorite Oklahoma State Cowboys players when they're on the field with this #1 Game jersey from . It features Dri-FIT technology so you can stay sweat-free and comfortable on game day.
Style Guide
Perfect for stadium Saturdays, sports-bar Sundays, and every watch party in between. From the tailgate to the grocery store, it quietly announces your allegiance without saying a word.

Whether it's Father's Day, a graduation, or just a 'thanks for being a fan' — this one lands.
Specifications

Style: fan-version game-day jersey with the matchday look of Oklahoma State Cowboys.

Fit: men's sizing; check the size chart for exact chest measurements.

Number: 1 — rep the look with the number on the chest.

True to size for most fans; if you prefer a looser, game-day layering fit, consider going one size up.

Support
Every size option is listed on the product page, so you can pick with confidence before checkout. What you see is what you get — clear photos, honest sizing, and a fan version described exactly as it is.

A little care goes a long way — cold wash, air dry, and this jersey stays game-day ready for years.

Need help? Email jerseyhelp@hotmail.com

What size works for game-day tailgates?+
College fan jerseys run in standard US sizes; most fans size up one for the classic roomy tailgate fit.
What's the difference between this fan version and the on-field version?+
This is a fan-version jersey inspired by the on-field look — same visual identity, with a comfortable everyday cut and a much friendlier price. It's designed for wearing, not just displaying.
Why is this priced lower than some retail stores?+
We sell direct-to-fan with streamlined operations, which keeps fan gear affordable without cutting corners on the essentials.
Show up, stand out, cheer loud — this Oklahoma State Cowboys jersey is one click away.
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