These are size L undergarments made of 100% cotton with odor-eliminating properties to combat sweat. - Brand: GUNZE - Model Name: DEOGREEN - Size: L - Material: 100% Cotton - Features: Eliminates sweat odor Thank you for viewing. I received this from an acquaintance a long time ago, but I never used the tank top and it has been stored in a drawer. It appears clean, but there may be yellowing even though it's new. Please consider purchasing only if you understand and accept this.