Kilpi OLINE-JG thermal underwear for girls are made of quick-drying OPTI-DRY material. It is pleasant to the touch, extremely elastic, wicks moisture away from the skin well and thus maintains thermal comfort. The high-rise waist has an elastic hem that doesn't squeeze and adjusts well. The seamless knit with flat seams and a close-fitting cut that follows the curves of the body maximizes comfort when moving and wearing. We recommend that you also get the KILPI CAROL-JG thermal shirt as a great set not only for skiing, but also for other outdoor and sports activities. Material composition: 66% polyamide, 27% polyester, 7% elastane