Therma-Fit Sphere 5.0 Running Neckwarmer

From Nike

Crafted from soft materials, the Nike Therma Sphere Neckwarmer sits comfortably against your skin, keeping you comfortable throughout those long training sessions in cold conditions. Enriched with Therma-FIT technology, this neckwarmer provides maximum insulation, protecting you from cold and windy conditions, without uncomfortable bulk. Highly breathable, the fabric allows cool air to circulate while built-up heat escapes, keeping you at the perfect temperature throughout use.

Therma-FIT Technology - Keep you warm, yet is also breathable for total comfort.

Highly Breathable - Allows cool air to circulate for temperature regulation.

Dri-FIT Technology - Wicks sweat away to keep you dry and comfortable.

Manufacturer's description, supplied via the retailer feed.