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Boston Red Sox Newborn Home Replica Romper Jersey - White

0-3M-0-3-MO-RG9106
From 4 interest-free payments of $39.78 with Klarna
From 4 interest-free payments of $39.78 with Klarna
$42.90 USD
$59.90 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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Boston Red Sox Newborn Home Replica Romper Jersey - White

From first whistle to final play, Boston Red Sox games are emotional rollercoasters. This jersey is built for every second of them — and everything after.

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

Comfort That Lasts All Matchday

Lightweight, breathable fabric keeps air moving on warm afternoons, whether you're in the stands or pacing the living room through extra time.

Style That Reads from the Parking Lot

The White colorway stands out in a crowd without trying too hard.

A Fit for Real Fans

Sized with everyday wear in mind — generous through the torso without looking baggy.

This Season’s Look

The this season update brings the newest crest and design details of the current campaign.

Built to Hold Up

Clean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.

Product Highlights & Craftsmanship+

From the tailgate to the grocery store, it quietly announces your allegiance without saying a word. Pack it for away trips — nothing beats spotting a fellow Boston Red Sox fan in a foreign city.

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

Shop with Confidence+
  • Style: replica fan jersey with the home look of Boston Red Sox.
  • Fit: sizing; check the size chart for exact chest measurements.

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

Frequently Asked Questions+

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

Is the material good for warm stadium days?+
The breathable knit is well suited to summer ballpark afternoons — it keeps air moving and dries quickly.
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 do I choose the right size?+
Check the size chart on the product page — chest width is the best guide. When in doubt, most fans size up for a relaxed, game-day fit.

Show up, stand out, cheer loud — this Boston Red Sox jersey is one click away.

Boston Red Sox Newborn Home Replica Romper Jersey - White

From first whistle to final play, Boston Red Sox games are emotional rollercoasters. This jersey is built for every second of them — and everything after.

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

Comfort That Lasts All Matchday

Lightweight, breathable fabric keeps air moving on warm afternoons, whether you're in the stands or pacing the living room through extra time.

Style That Reads from the Parking Lot

The White colorway stands out in a crowd without trying too hard.

A Fit for Real Fans

Sized with everyday wear in mind — generous through the torso without looking baggy.

This Season’s Look

The this season update brings the newest crest and design details of the current campaign.

Built to Hold Up

Clean team markings, tidy stitching at the seams, and a collar that holds its shape wash after wash.

Product Highlights & Craftsmanship+

From the tailgate to the grocery store, it quietly announces your allegiance without saying a word. Pack it for away trips — nothing beats spotting a fellow Boston Red Sox fan in a foreign city.

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

Shop with Confidence+
  • Style: replica fan jersey with the home look of Boston Red Sox.
  • Fit: sizing; check the size chart for exact chest measurements.

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

Frequently Asked Questions+

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

Is the material good for warm stadium days?+
The breathable knit is well suited to summer ballpark afternoons — it keeps air moving and dries quickly.
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 do I choose the right size?+
Check the size chart on the product page — chest width is the best guide. When in doubt, most fans size up for a relaxed, game-day fit.

Show up, stand out, cheer loud — this Boston Red Sox jersey is one click away.

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