Research library

The questions before the checkout.

We do not publish a page for every colorway. We publish the comparisons that change what you buy: size, version, authenticity, and timing.

NBA Jersey Size Chart: Men, Women, and Youth illustrationguide

NBA Jersey Size Chart: Men, Women, and Youth

A normalized view of the common NBA jersey size charts, plus the fit questions that actually matter before you buy.

PickAJersey Research · Nov 4, 2026
Swingman vs Authentic: What Do You Actually Get? illustrationguide

Swingman vs Authentic: What Do You Actually Get?

The price gap is real. Here is what changes in fabric, trim, cut, and collectability — and which version most fans should buy.

PickAJersey Research · Nov 3, 2026
Jersey Gift Guide: How to Not Buy the Wrong One illustrationguide

Jersey Gift Guide: How to Not Buy the Wrong One

A practical gift framework by budget, team loyalty, and body type — plus the questions to ask before you spend $100.

PickAJersey Research · Nov 3, 2026
New Era 59FIFTY Size Guide: 7 1/4, 7 3/8, and What Fits illustrationguide

New Era 59FIFTY Size Guide: 7 1/4, 7 3/8, and What Fits

Fitted caps are sized in inches, not S/M/L. Here is how to measure your head and convert it to a 59FIFTY size.

PickAJersey Research · Nov 3, 2026
City Edition Jerseys, Explained illustrationguide

City Edition Jerseys, Explained

Why teams release a new look every season, what “City Edition” actually means, and when it is worth buying.

PickAJersey Research · Nov 3, 2026
NFL Jersey Buying Guide: Game, Limited, or Elite? illustrationguide

NFL Jersey Buying Guide: Game, Limited, or Elite?

The three NFL jersey tiers, what changes between them, and how to choose based on how you will wear it.

PickAJersey Research · Nov 3, 2026
Baseball Cap Buying Guide: Fitted, Snapback, or Dad Hat illustrationguide

Baseball Cap Buying Guide: Fitted, Snapback, or Dad Hat

The three cap shapes, who each one suits, and the sizing details that actually cause returns.

PickAJersey Research · Nov 3, 2026
How to Spot a Fake NBA Jersey: A Checklist illustrationguide

How to Spot a Fake NBA Jersey: A Checklist

Eight checks that catch most bad listings, from the jock tag to the shade of the trim — without pretending a photo is a forensic test.

PickAJersey Research · Nov 3, 2026