adidas Ultraboost 21 J "Black" Grade School Boys' Running Shoe
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adidas Ultraboost 21 J "Black" Grade School Boys' Running Shoe
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Variations
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No Sizes Available- size 3.5 is not available for this combination 3.5
- size 4 is not available for this combination 4
- size 4.5 is not available for this combination 4.5
- size 5 is not available for this combination 5
- size 5.5 is not available for this combination 5.5
- size 6 is not available for this combination 6
- size 6.5 is not available for this combination 6.5
- size 7 is not available for this combination 7
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Product Details
#5675C
adidas Ultraboost 21 J "Black" Grade School Boys' Running Shoe
These adidas Ultraboost 21 J "Black" Grade School Boys' Running Shoes are designed to deliver maximum efficiency for junior runners, and they're built using recycled materials. An adidas Primeknit sock upper offers stretchy support, while the Linear Energy Push system adds rigidity in the midfoot and forefoot. The S-curve heel eliminates slip, and the signature Boost midsole returns energy with every stride. This shoe's upper is made with Primeblue, a high-performance recycled material containing at least 50% Parley Ocean Plastic.
Features
- Made with Primeblue: a high-performance recycled material made in part with Parley Ocean Plastic.
- Rubber outsole with superior grip that adapts to every runner's footstrike by moving in harmony with boost to provide a smoother and more flexible ride.
- A high-performance compound from the world-leading tire supplier provides superior grip in all weather and ground conditions.
- Boost: Temperature-independent cushioning provides maximum comfort and energy return in all climates.