Allen Iverson
Allen Iverson got his arm injured and his doctor gave him a sleeve to put on it. Even after his injury was healed, he wore it. It was like his trademark. Then other players started wearing them
He has a sleeve tattoo on his left arm, but a half sleeve on this right arm
Im pretty sure its either a mcdavid arm sleeve or a nike arm sleeve
Tattoos can be applied to one's arm in full sleeve or half sleeve applications. The main difference between full sleeve tattoos and half sleeve tattoos is how much tattoo covers the arm.
Sleeve
That hole is called a sleeve. It allows you to put your arm through and comfortably wear the garment.
to keep his arm safe
Joey Votto, the Cincinnati Reds first baseman, is known for wearing an arm sleeve from the brand 4D. The sleeve is designed for compression and support, which helps with muscle recovery and performance during games. Votto has often been seen sporting this sleeve to protect his arm and enhance his gameplay.
He started doing it in Portland because of the cold weather to keep his arm warm. He got used to it and turned it in to a fashion statement.
Allen iverson
New Answer: It is probably an Apollo scuff pad from PRO Orthopedic. Justin Morneau uses a Phiten arm sleeve. Phiten
She wore a green sleeve and visual effects were added and she also wore several "prosthetics" for certain scenes like when the attack happened so the stump of the arm could look bloody and such.