This item features a special knit fabric with excellent stretch (a material that achieves vertical stretch, which was difficult to achieve with underwear materials), conforming easily to the body's movements for a comfortable fit. This is an inner garment that allows for length adjustment to match outerwear and temperature changes. Length: 7-length □ Adjustable length up to ankle length. ・Innerwear with heat retention and moisture absorption/release properties. Wacoal SUGOI Bottoms Pants Loungewear Underwear Innerwear