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Jaylen Brown Boston Celtics Youth Swingman Jersey - Icon Edition - Kelly Green

S-AGE-8-10-FM3772
From 4 interest-free payments of $39.78 with Klarna
From 4 interest-free payments of $39.78 with Klarna
$39.90 USD
$59.99 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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Jaylen Brown Boston Celtics Youth Swingman Jersey - Icon Edition - Kelly Green

Matchday isn't a date on the calendar — it's a state of mind. Throw on this Boston Celtics jersey and you're already halfway to the stadium.

The Story

This one leans into what fans actually want — the team look, comfortable feel, and a price that makes sense.

01
This Season’s LookThe this season update brings the newest crest and design details of the current campaign.
02
Comfort That Lasts All MatchdaySoft-touch fabric that feels broken-in from the first wear — no stiff, scratchy first weeks.
03
A Fit for Real FansMade for kids who want to look exactly like their heroes, in a cut that holds up to playground action.
04
Built to Hold UpClean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.
When the Boston Celtics hit the court, your youngster will be ready to watch Jaylen Brown lead the team to victory when they have this Swingman jersey from . With a bold Icon Edition build and Dri-FIT technology, this jersey lets them show support in comfort with an authentic-style on-court design.

Wear It

Perfect for stadium Saturdays, sports-bar Sundays, and every watch party in between. Pack it for away trips — nothing beats spotting a fellow Boston Celtics fan in a foreign city.

Holiday shopping for the die-hard fan in your life? Problem solved.

The Details

  • Style: icon-style fan jersey with the matchday look of Boston Celtics.
  • 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

Ordering is simple and secure. If anything needs a second look, email us at jerseyhelp@hotmail.com and we'll sort it out. 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

Will the printed details survive washing?

Machine wash cold, inside out, and air dry — the heat-sealed details are finished to hold up over time.

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 fabric weight like?

It's on the lighter side — breathable and easy to pack for travel, while still feeling substantial enough for cooler evenings over a layer.

Is this jersey unisex?

Yes, the cut works for everyone — most fans simply choose their usual size. Women may prefer sizing down for a closer fit.

Make it yours today — pick your size, hit the checkout, and get ready for kickoff.

Jaylen Brown Boston Celtics Youth Swingman Jersey - Icon Edition - Kelly Green

Matchday isn't a date on the calendar — it's a state of mind. Throw on this Boston Celtics jersey and you're already halfway to the stadium.

The Story

This one leans into what fans actually want — the team look, comfortable feel, and a price that makes sense.

01
This Season’s LookThe this season update brings the newest crest and design details of the current campaign.
02
Comfort That Lasts All MatchdaySoft-touch fabric that feels broken-in from the first wear — no stiff, scratchy first weeks.
03
A Fit for Real FansMade for kids who want to look exactly like their heroes, in a cut that holds up to playground action.
04
Built to Hold UpClean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.
When the Boston Celtics hit the court, your youngster will be ready to watch Jaylen Brown lead the team to victory when they have this Swingman jersey from . With a bold Icon Edition build and Dri-FIT technology, this jersey lets them show support in comfort with an authentic-style on-court design.

Wear It

Perfect for stadium Saturdays, sports-bar Sundays, and every watch party in between. Pack it for away trips — nothing beats spotting a fellow Boston Celtics fan in a foreign city.

Holiday shopping for the die-hard fan in your life? Problem solved.

The Details

  • Style: icon-style fan jersey with the matchday look of Boston Celtics.
  • 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

Ordering is simple and secure. If anything needs a second look, email us at jerseyhelp@hotmail.com and we'll sort it out. 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

Will the printed details survive washing?

Machine wash cold, inside out, and air dry — the heat-sealed details are finished to hold up over time.

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 fabric weight like?

It's on the lighter side — breathable and easy to pack for travel, while still feeling substantial enough for cooler evenings over a layer.

Is this jersey unisex?

Yes, the cut works for everyone — most fans simply choose their usual size. Women may prefer sizing down for a closer fit.

Make it yours today — pick your size, hit the checkout, and get ready for kickoff.

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