Naruto youth Uchiha Sasuke—S–XXL with measure fields. Early Genin black-outfit energy, not later Akatsuki cloaks. The Youth Uchiha Sasuke Cosplay is letter-size Konoha-era styling.
Sizes
S–XXL plus height/chest/waist/hips.
Fit notes
Size top by chest and pants by waist. Between letters, take the larger. Hand measurements can be off by 1–3 cm.
Sharingan tips
Halloween and Naruto cons suit youth Sasuke. Soft sandals or sneakers. Match letter size carefully, and practice calm rivalry poses for photos with Naruto friends.