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MLB Jersey Buying Guide

What's the difference between Majestic's Cool Base and Flex Base Jerseys? How does a Replica MLB jersey differ from an Authentic? Learn the answers to these questions with MLBShop.com's Jersey Buying Guide.


Authentic MLB Jerseys

MLB’s authentic jerseys are designed to be as close to what the players wear on the field. Featuring a double-knit polyester material, authentic baseball jerseys are made for durability. The jerseys also have the official logo of MLB, team logos, and numbers sewn on.


Replica MLB Jerseys

Replica MLB jerseys are designed to mimic the look and feel of an authentic MLB jersey but at a more affordable cost. The jersey is still a full-button up jersey but the twill lettering is ironed on, not sewn, and the material isn’t as light-weight as authentic.


Throwback MLB Jerseys

Throwback jerseys, made by Mitchell & Ness, are designed to look like the jerseys of the past. They feature sewn-on lettering, numbers, and a patch to denote the specific year of the jersey.


What are Flex Base Jerseys?

Flex Base uniforms are new for 2016 and feature a lighter-weight twill technology and mesh panels on the sides of the jerseys. The improvements are tailor-made to the players’ exact on-field design and help reduce the overall weight of the jersey by 10-20%.


What are Cool Base Jerseys?

Cool Base jerseys came out in 2015 use Majestic’s Cool Base Technology, which utilizes a lighter, moisture-wicking fabric and cooling mesh ventilation on the sides. You’ll know your jersey has Cool Base technology when it has the official Cool Base tag. Only authentic jerseys have the Cool Base technology.


Spotting a Fake MLB Jersey

Be wary of sellers who are not trusted dealers of officially licensed MLB merchandise. Their jerseys are often riddled with errors and red flags such as:

  • Misspellings
  • Missing MLB logo
  • Poor-quality stitching
  • Poor-quality materials
  • Misalignment of jersey elements (e.g. numbers not centered)
  • A price tag that is way below market value due to lower quality materials and workmanship


MLB Jersey Sizing Charts

MEN'S MAJESTIC JERSEY SIZING CHART

WOMEN'S MAJESTIC JERSEY SIZING CHART

KIDS' MAJESTIC JERSEY SIZING CHART

MEN'S COOPERSTOWN JERSEY SIZING