Thank you for looking. This is the "METASPEED Arm Sleeve" for racing from ASICS. This is a genuine running item that supports athletes by reducing arm fatigue while also providing moderate cold protection. [Product Details] - Brand: ASICS - Product Name: METASPEED Arm Sleeve - Product Number: 3013B258 - Color: 001 (Performance Black) - Size: S - Condition: New and unused Immediate purchase is welcome! Please feel free to comment if you have any questions. Thank you. #ASICS #アシックス #METASPEED #メタスピード #アームスリーブ #アームカバー #マラソン #陸上競技 #ランニング #3013B258