Topwhere Maternity Thick Warm Tights Pants for Pregnancy (Black) 60% cotton, 20% polyurethane filament,20% polyamide, Free size Maternity tights, Suitable for pregnant women during 16 weeks to 28 weeks Ninth pants on the foot thickening pregnant tights with chorionic villus inside keeps you warm throughout the winter. silk, breathable, antibacterial Function: Absorb sweat, Mention Hips, resistance and breathable, antibacterial Simple design foot tights but amazing energy. Unique, individual character, absolutely comfortable, absolutely beautiful