HyperWear Sandbell Free Weight 6LB aerobic mat This ease of use encourages

This ease of use encourages regular ab work

Bright blue backlit LCD console with performance-oriented feedback

Frequency Range: 30-40Hz

but goes much deeper than that

HyperWear Sandbell Free Weight 6LB aerobic mat This ease of use encouragesHyperWear Sandbell Free Weight 6LB The SandBell is the most versatile and challenging, functional free weight on the market. The SandBell is a neoprene disc filled with sand that will challenge your strength, test your stamina and push your limits like nothing else. Patented design works grip, wrist and forearms Shifting sand provides active live weight Extremely durable, high quality design Safe for all ages, levels and facilities Multiple sizes