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Isaiah Hartenstein Oklahoma City Thunder Youth Fast Break Replica Player Jersey - Icon Edition - Blue

S-AGE-8-10-WZ4649
From 4 interest-free payments of $39.78 with Klarna
From 4 interest-free payments of $39.78 with Klarna
$39.90 USD
$65.77 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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Isaiah Hartenstein Oklahoma City Thunder Youth Fast Break Replica Player Jersey - Icon Edition - Blue

There's a moment right before kickoff when the whole stadium holds its breath — and Oklahoma City Thunder colors take over the stands. This this season jersey is your ticket to that feeling, any day of the week.

The Story

This is a fan-version jersey — cut for comfort, priced for real fans, and made to survive everything from stadium seats to backyard watch parties.

01
Style That Reads from the Parking LotA classic look that won't date — clean colors, recognizable team markings, nothing fussy.
02
This Season’s LookThe this season update brings the newest crest and design details of the current campaign.
03
Comfort That Lasts All MatchdayA breathable knit that balances stretch and structure, moving with you instead of against you.
04
A Fit for Real FansMade for kids who want to look exactly like their heroes, in a cut that holds up to playground action.
05
Built to Hold UpClean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.
What makes it stand out: Give your young fan a chance to emulate their favorite player with this Isaiah Hartenstein Oklahoma City Thunder Fast Break Icon Edition Replica Jersey from Prosportskit. This Oklahoma City Thunder jersey is crafted from breathable, 100% recycled polyester and utilizes FanShield moisture management technology to keep your young fan cool and dry.

Wear It

Pack it for away trips — nothing beats spotting a fellow Oklahoma City Thunder fan in a foreign city. 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.

The Details

  • Style: replica fan jersey with the matchday look of Oklahoma City Thunder.
  • Fit: youth sizing; check the size chart for exact chest measurements.

Check the size chart before ordering — a quick thirty seconds that saves an exchange.

Care & Questions

What you see is what you get — clear photos, honest sizing, and a fan version described exactly as it is. Ordering is simple and secure. If anything needs a second look, email us at jerseyhelp@hotmail.com and we'll sort it out.

Keep it fresh: machine wash cold, inside out, and skip the iron on printed areas.

Need help? Email jerseyhelp@hotmail.com

Does it have that on-court feel?

It's cut like a fan-wear style — the on-court aesthetic with a relaxed fit you can actually move around in.

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.

Is it good for kids and teens?

Absolutely — youth sizing is available with the same team look and detail as the adult version, made to move through games and playgrounds.

How should I wash and care for it?

Machine wash cold with like colors, turn it inside out, and air dry or tumble on low. Avoid high heat and ironing directly on printed details.

Show up, stand out, cheer loud — this Oklahoma City Thunder jersey is one click away.

Isaiah Hartenstein Oklahoma City Thunder Youth Fast Break Replica Player Jersey - Icon Edition - Blue

There's a moment right before kickoff when the whole stadium holds its breath — and Oklahoma City Thunder colors take over the stands. This this season jersey is your ticket to that feeling, any day of the week.

The Story

This is a fan-version jersey — cut for comfort, priced for real fans, and made to survive everything from stadium seats to backyard watch parties.

01
Style That Reads from the Parking LotA classic look that won't date — clean colors, recognizable team markings, nothing fussy.
02
This Season’s LookThe this season update brings the newest crest and design details of the current campaign.
03
Comfort That Lasts All MatchdayA breathable knit that balances stretch and structure, moving with you instead of against you.
04
A Fit for Real FansMade for kids who want to look exactly like their heroes, in a cut that holds up to playground action.
05
Built to Hold UpClean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.
What makes it stand out: Give your young fan a chance to emulate their favorite player with this Isaiah Hartenstein Oklahoma City Thunder Fast Break Icon Edition Replica Jersey from Prosportskit. This Oklahoma City Thunder jersey is crafted from breathable, 100% recycled polyester and utilizes FanShield moisture management technology to keep your young fan cool and dry.

Wear It

Pack it for away trips — nothing beats spotting a fellow Oklahoma City Thunder fan in a foreign city. 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.

The Details

  • Style: replica fan jersey with the matchday look of Oklahoma City Thunder.
  • Fit: youth sizing; check the size chart for exact chest measurements.

Check the size chart before ordering — a quick thirty seconds that saves an exchange.

Care & Questions

What you see is what you get — clear photos, honest sizing, and a fan version described exactly as it is. Ordering is simple and secure. If anything needs a second look, email us at jerseyhelp@hotmail.com and we'll sort it out.

Keep it fresh: machine wash cold, inside out, and skip the iron on printed areas.

Need help? Email jerseyhelp@hotmail.com

Does it have that on-court feel?

It's cut like a fan-wear style — the on-court aesthetic with a relaxed fit you can actually move around in.

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.

Is it good for kids and teens?

Absolutely — youth sizing is available with the same team look and detail as the adult version, made to move through games and playgrounds.

How should I wash and care for it?

Machine wash cold with like colors, turn it inside out, and air dry or tumble on low. Avoid high heat and ironing directly on printed details.

Show up, stand out, cheer loud — this Oklahoma City Thunder jersey is one click away.

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