Fernando Tatis Jr. wears a Lizard Skins arm sleeve with his logo on it. In the pictures from Spring, he hadn’t gotten the logo yet, but BaseballExpress.com has spotty inventory of the Lizard Skins sleeves at $11-$15 and you can also find it at other retailers with a Google search.
What Pros Wear: The Source for Pro Baseball Gloves, Cleats, Bats & Pro Basketball Shoes
Vladimir Guerrero Jr Who's Your Vladdy T-shirt, Show Your Support
Vladimir Guerrero Jr Who's Your Vladdy T-shirt, Show Your Support
Pink Baseball Arm Sleeve
Vladimir Guerrero Jr Who's Your Vladdy T-shirt, Show Your Support
What Pros Wear: Gleyber Torres' Nike Pro Hyperwarm Sleeve - What Pros Wear
Pink Baseball Arm Sleeve
What Pros Wear: Rafael Devers' Nike Pro Hyperwarm Sleeve - What Pros Wear
Lot Detail - 2020 Fernando Tatis Jr. Game Used & Signed San Diego Padres Batting Gloves & Arm Sleeve (Tatis LOA & Beckett)
What Pros Wear: The Source for Pro Baseball Gloves, Cleats, Bats & Pro Basketball Shoes
What Pros Wear: Fernando Tatís Jr.'s Lizard Skins Arm Sleeve - What Pros Wear