Zoning Cards (10 pack)

https://heartzones.odoo.com/web/image/product.template/71/image_1920?unique=1fe587a

Use this card to carry with you the three different zones and why to train in them. The emphasis in the zones is on color systems, Red-Hard zone, Yellow-Mellow zone, and Blue-Easy zone. 

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4.99

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This card shows your physical effort, your caloric expenditure, fat burning, and the benefit of you training in each of the different colorful zones.