Weather the cold in Nike's extremely warm Women's Race Day Tech Tight. Storm-FIT® panels on front thigh and Sphere Dry™ panels on the back side provide maximum warmth and protection in the elements. Body: Dri-FIT® 88% polyester/12% spandex plain jersey. Front: Storm-FIT® 87% polyester/13% spandex. Back panels: Nike Sphere Dry™ 92% polyester/8% spandex circular knit jacquard. Gusset liner: Dri-FIT® 100% polyester crepe. Imported.