Inner gloves using Mizuno's BREATH THERMO technology - Brand: Mizuno - Technology: BREATH THERMO - Size: Women's S equivalent For those with small hands or juniors They are stretchy, so they can accommodate some size variations. Although they are inner gloves, they are warm even when worn alone. Because they are BREATH THERMO, they react to a small amount of sweat and generate heat, making them warm. They are very convenient to have. All of the above are personal opinions. Please understand this before purchasing.