This is a lightweight and highly insulated base layer made with a lining of cashmere-brushed, silk-blend material. The shirt portion has a metallic reflective coating on part of the lining. This is a prototype product made with the highest quality fabric for a cold-weather base layer. It is stretchy and the lining is cashmere-brushed. Due to the silk blend, it has a smooth feel. The pants have a fly, making them convenient for wearing outside. Size: L Shirt Front length: 65 cm Width: 50 cm Sleeve length: 63 cm Pants Total length: 102 cm Inseam: 73 cm Waist (flat): 35-48 cm