Purchased around October, but I'm selling it because I don't use it. A special privilege ticket is included. Short-sleeved innerwear that supports posture improvement, size M, black. ¥3480 - Brand: BX Innerwear - Size: M - Features: Posture improvement function - Design: Short sleeves - Color: Black Comfortable to wear every day Innerwear innerwear hunchback rounded shoulders rolled shoulders neck shoulders burden reduction thin stretchy desk work good posture Style BX BX correct posture without difficulty habituation casual continuation open chest chest opens Back release scapula draws together stretch elasticity S-shaped posture youthful male men's underwear men's tank top short-sleeved undershirt 20s 30s 40s 50s 60s 70s gift present low price range Father's Day Mother's Day Respect for the Aged Day health posture innerwear hunchback rolled shoulders scapula stretches Review campaign