1 / 4

Newborn Buffalo Bills Josh Allen Royal Romper Game Jersey

$58.99 USD

Shipping fees will be calculated at checkout.

FREE SHIPPING ON $78+
30‑DAY HASSLE RETURNS
365‑DAY QUALITY WARRANTY
100% ENCRYPTED PAYMENT

Size

0-3 MO 3-6 MO 6-9 MO

Size Guide

Sizing help

Find your NFL fit.

One league, three charts, zero guesswork. Every number below is a body measurement — inches and centimetres side by side — across men’s, women’s and youth NFL kit. Measure once, read your row, and if you would like a second opinion before your parcel is packed, send us the numbers and we will check them against these charts for you.

Tape measure methodInches + centimetresMen, women & youthFree sizing check

Free shipping special for you30-day postage paid returnsSizing help by email

Home › Size Guide

01How to measure4 steps 02Which number decides1 chart 03Men’s NFL chart7 sizes 04Women’s NFL chart6 sizes 05Youth NFL chart4 sizes 06Sizing questions6 answers

Order first, check second. Torn between two rows? Order the size you lean towards, then email your height, chest and waist to fanservice2026@outlook.com. We compare your numbers against these charts before the parcel is packed and swap the size if a different one fits you better. Nothing ships until we agree the size is right.

The tape, not the guess

How to measure

Ninety seconds with a soft tape measure settles what no amount of label-squinting will. Wear a single thin layer, stand the way you normally stand, and let the tape touch you without squeezing. No tailor’s tape? Use a piece of string, pinch where it meets, then lay it against a ruler.

Chest — the number that runs the showWrap the tape around the fullest part of your chest, straight under the armpits. Keep it level front to back and breathe normally — do not puff up, do not hollow out.

Waist — your fit-check numberMeasure at the narrowest part of your torso, usually just above the belly button. Tape snug, not cinched. The charts use it to confirm the cut, not to pick the letter.

Body lengthFrom the highest point of the shoulder next to your collar, straight down to where you want the hem to sit. Compare against the length column before committing.

SleeveShoulder seam to wrist bone with your arm slightly bent.

Gap rule: if your measurement lands between two rows, take the larger size. Room reads better than a pull, and the 30-day postage paid return is there if the letter still feels wrong.

Right number, right chart

Which number decides

Most sizing mistakes are measurement mismatches — a waist compared against a chest, or a flat-laid garment width read as a body number. This page uses body measurements throughout. Confirm the deciding number here:

Which measurement decides which NFL garment.

Garment	Decides the size	Double-check with
Men’s & women’s jerseys	Chest	Body length
Youth jerseys	Age band	Chest & height

3NFL charts

17Size rows in total

S–4XLMen’s range

2Units — in & cm

Football Sundays

Men’s NFL chart

NFL cuts run full and boxy — the classic oversized game-day shape, made to layer over a hoodie when the temperature drops. Seven sizes, S through 4XL.

NFL jersey — men’s, the full boxy cut, body measurements.

Size	Chest (in)	Chest (cm)	Waist (in)	Length (in)	Length (cm)	Sleeve (in)
S	35–38	89–97	29–32	29	74	17.5
M	38–41	97–104	32–35	30	76	18.5
L	41–44	104–112	35–38	31	79	19.5
XL	44–48	112–122	38–43	32	81	20.5
2XL	48–53	122–135	43–48	33	84	21.5
3XL	53–58	135–147	48–53	34	86	22.5
4XL	58–63	147–160	53–58	35	89	23.5

Broad through the chest already, or planning to wear it over a hoodie? Order one size up from your row. Otherwise your true size is the right call.

Tapered, not shrunk

Women’s NFL chart

The women’s cut follows the body through the waist and finishes higher on the hip. Six sizes, XS through 2XL.

NFL jersey — women’s, tapered through the waist, body measurements.

Size	Chest (in)	Chest (cm)	Waist (in)	Length (in)	Length (cm)
XS	31–33	79–84	25–26	26	66
S	33–35	84–89	26–28	27	69
M	35–38	89–97	28–31	27.5	70
L	38–41	97–104	31–34	28	71
XL	41–44	104–112	34–37	28.5	72
2XL	44–47	112–119	37–40	29	74

If the loose, boxy silhouette is what you are after, a men’s small or medium does that job better than sizing up the women’s rows.

The next generation

Youth NFL chart

Youth sizing runs on age bands, confirmed by chest and height. When age and measurements disagree, trust the measurements.

NFL youth jersey — choose by age, confirm with chest and height.

Size	Ages	Chest (in)	Chest (cm)	Height (in)	Height (cm)
S	7–8	26–27	66–69	50–54	127–137
M	9–12	28–30	71–76	55–60	140–152
L	13–15	31–33	79–84	61–63	155–160
XL	16–18	34–36	86–91	64–67	163–170

Where to look: chest decides an NFL jersey. If your measurement lands in the gap between two rows, take the larger size — a shirt with a little room always looks better than one that pulls.

The questions we get weekly

Sizing questions

Six short answers to the sizing queries that fill our inbox. If yours is not here, email fanservice2026@outlook.com and we will sort it within 48 hours.

Do these charts use body measurements or garment measurements?

Body measurements, throughout — the tape wrapped around you, not the shirt laid on a table. That is why the chest figures read smaller than a flat-laid width.

Which measurement matters most for an NFL jersey?

Chest. Length and sleeve fine-tune the fit, but chest is the number that decides whether the size is right at all.

Do youth sizes follow the same chart as adults?

They do not. The youth chart runs on age bands confirmed by chest and height — see section 05.

I am between two rows. Up or down?

Up. Room reads better than a pull, and the 30-day postage paid return is your safety net if the larger letter still feels off.

Can you check my size before my order ships?

Yes — that is the deal in the box at the top of this page. Email your height, chest and waist with your order number and we will confirm or swap the size before packing.

What if the size that arrives still is not right?

Send it back — 30 days, postage paid, no argument. Start the return by emailing fanservice2026@outlook.com with your order number.

Measure once, cheer all season.

The right size is one email away if the charts leave any doubt.

Back to shopping Read the FAQ

Quantity

Newborn Buffalo Bills Josh Allen Royal Romper Game Jersey

Name: Newborn Buffalo Bills Josh Allen Royal Romper Game Jersey
SKU: 0-3-MO-UP1867
Price: 58.99 USD
Availability: InStock

WEAR IT LIKE YOU MEAN IT

Built for supporters who treat every Buffalo Bills fixture as a fixture. The Game build keeps the knit breathable, the stitching reinforced and the colors sharp, so it holds up from the field to the tailgate and back. Match it with a cap in the same Buffalo Bills palette for a finished look.

The Short Version

Airflow through the knit, so heat does not build up
Smooth against bare skin straight out of the bag
Mid-light knit - heavy enough to hang properly on a hanger

Specs At A Glance

League	NFL Football
Team	Buffalo Bills
Edition	Game
Made For	Newborn
Player	Josh Allen
Colorway	Royal

Hands-On Details

Hem side vents

Small vents at the sides let the hem sit flat over jeans without pulling.

Fade-resistant print

Graphics that keep their contrast instead of washing out by mid-season.

Snag-resistant knit

The dense surface resists picking up pulls from velcro, zips and stadium seats.

Where It Works

A gift for a new arrival in a football household.
Weekend errands when everyone is dressed for the game.

Sizing, Custom Text & Edition Notes

Personalization: Custom text is optional. Add a name and number at checkout, or take it exactly as shown.

Sizing: Children grow fast, so check the chart each season rather than assuming the last size still fits.

Version: This is the supporter-grade version - the one you actually wear. It carries the team identity and colors without the collector price tag.

Ordering Notes

Accurate listing. Color, edition and sizing details on this page match what ships.

Women's cuts are shaped differently. The women's build takes in through the waist instead of falling straight.

No inflated claims. We describe the build as it is rather than overselling it.

FAQ

How do I know which size to order for a child?

Use the age ranges in the size chart as a starting point, then compare the garment measurements to something they already wear.

Is the chest logo stitched or printed?

It depends on the edition. Stitched detailing appears on the higher editions, while printed graphics are used on the supporter-grade builds.

Is the size chart in inches or centimeters?

The chart lists both, so you can measure in whichever unit you are used to.

Is this suitable for youth players?

Yes. Youth sizing is available in the size run, and the cut works for younger supporters heading to games or training.

Newborn Buffalo Bills Jersey

Wear the Buffalo Bills colors with the game look. Add it to the bag and get ahead of the season.

Size Guide

The tape, not the guess

Right number, right chart

Football Sundays

Tapered, not shrunk

The next generation

The questions we get weekly

Measure once, cheer all season.

Newborn Buffalo Bills Josh Allen Royal Romper Game Jersey

The Short Version

Specs At A Glance

Hands-On Details

Where It Works

Sizing, Custom Text & Edition Notes

Ordering Notes

FAQ

You may also like

Shop

Shop by Fan

Top Teams

Star Players

Help & Company

Cart