According to Nike, DZ2660 - Nike NIKE TILLBEHÖR Kör Therma Sphere Neck Warmer 3.0 '07 Nike Laukku Brasilia 9.5 Duffel 41L;

Nike Run Therma Sphere Neck Warmer 2.0 Black L/XL

Nike Unisex – Adult's Run Therma Sphere 3.0 Balaclava

Smooth, lightweight and stretchy material Dri-FIT technology wicks away sweat Foldable design allows for full face coverage or neck coverage Swoosh design 86% polyester, 7% nylon, 5% spandex Spot clean The Nike Therma Sphere 4.0 Hood is imported. You won't have to let harsh winter weather slow you down when you wear the Nike Therma Sphere 4.0 Hood. It pulls double duty as a balaclava and neck warmer that will keep you feeling toasty during even the coldest winter days.

Nike Running Therma Sphere Hood - Black

Nike Unisex – Adult's Run Therma Sphere 3.0 Balaclava

NIKE Sportswear Swoosh Therma-FIT Synthetic-Fill Bomber DD6055 219

Nike Running Therma Sphere Neck Warmer Black (Small

Nike Therma Sphere Hood 3.0 : Clothing, Shoes & Jewelry

Nike Therma Sphere Hood 3.0 : Clothing, Shoes & Jewelry

Nike Run Therma Sphere Neck Warmer 2.0 Black L/XL