San Francisco 49ers Briefs - Performance Football Clothing Made In USA - WSI Sports

https://wsisports.com/pages/team -- This short videos shows WSI Sports manufacturing custom muffs for the San Francisco 49ers NFL team. WSI Sports has long produced custom cold weather and performance clothing and accessories for professional and college football teams. See these links for more information:

https://uni-watch.com/2022/01/26/nfl-cold-weather-gear-patrick-mahomes-aaron-rodgers/
https://www.usatoday.com/story/sports/nfl/2016/01/07/seattle-seahawks-minnesota-vikings-playoffs-cold-weather-gear/78427116/
https://venuszine.com/the-benefits-of-wearing-short-sleeves-in-cold-weather-football/
https://newsroom.submitmypressrelease.com/2023/01/02/wsi-sports-usa-manufacturer-introduces-scuba-shirt-to-nfl-teams-shirt-offers-extreme-warmth-functionality_482827.html
https://www.sportingnews.com/us/nfl/news/seahawks-vikings-nfc-wild-card-game-weather-temperature-cold-freezing-minnesota/1re4cbnurjh791kai8kj1yrex2
https://mspmag.com/shop-and-style/the-minnesota-brand-keeping-pro-athletes-warm/
https://www.cbsnews.com/minnesota/news/nfl-cold-players-winter/
https://www.boston.com/sports/extra-points/2015/01/10/patriots_are_changing_their_underwear_before_battl/
https://www.fox9.com/sports/xfl-turns-to-eagan-minn-company-for-its-cold-weather-gear-ahead-of-season-kickoff