Van Allen Belt
by Peter Gross
American Apparel T-shirts are made with 100% fine jersey cotton combed for softness and comfort. (Athletic Grey and Athletic Blue contain 50% polyester / 25% cotton / 25% rayon)
A Van Allen belt is one of at least two layers of energetic charged particles (plasma) around the planet Earth, held in place by its magnetic field. The belts are named after their discoverer, James Van Allen.