/give @p minecraft:player_head[
minecraft:profile={
properties: [{
name: "textures",
value: "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHBzOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlL3VuZGVmaW5lZCJ9fX0="
}]
}
]
but better
A Minecraft character with a green and gray suit, wearing a yellow shirt and black pants, stands upright with a green backpack on their back.
A character with a backpack and green hat, wearing a black and white striped shirt.
A pixel art character in a black outfit with a white shirt and black pants, wearing a black hat and a black scarf.