THE SPIBELT Adult Sock 76% polyester & 24% spandex

76% polyester & 24% spandex

more responsive ride than its predecessor

3D Geo Technology provides pin-point compression to relieve arch and heel pain

The fabric used is lightweight and breathable

Glycerin GTS 21: The GTS 21 continues with DNA LOFT cushioning but uses an updated version

THE SPIBELT Adult Sock 76% polyester & 24% spandexThe SPIbelt expands to hold larger smartphones; including the iPhone 13 Pro Max and Samsung Galaxy S20+. This fitness belt is called one of the best running belts for marathon runners, but its use doesnt stop there. It is perfect for walking, working out, travel, medical needs, and so much more. Keeps all your exercise accessories, headphones, keys, ID, and credit cards safe, secure, and close at hand. The SPIbelt expands to carry what you need. Made