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Features:
Chute open as running begins
perfect for adding resistance while running
Increase speed， strength， stamina and endurance
Adjustable waist belt with velcro enclosure

Specification:
Color: Black 
Material: Polyester 
Diameter: 56in / 142.2cm(approx.) 
Adjustable Waist: 20~42in(approx.) 
Weight: 6.8oz / 193g 

Package Content:
1 * Running chute 
1 * Carrying bag