Thank you for viewing! Please read the profile before asking questions or purchasing. This is a UNIQLO Dry Color Crew Neck T-shirt (short sleeve). I bought it as a spare, but I haven't used it and it's been stored. It's unused, so it's still in good condition. Chest: 88-96 cm 66% cotton 34% polyester #JandLUsedClothing How about it for running, sports, trekking, etc.? Thank you.