The adidas UltraBoost 21 ‘Grey’ applies a monochromatic neutral finish to the lightweight and responsive performance running shoe. The sneaker’s breathable knit build, incorporating recycled Primeblue materials that include Parley Ocean Plastic, sits atop full-length Boost cushioning that packs 6% more Boost capsules than the UltraBoost 20. Underfoot, a revised Torsion system dubbed Linear Energy Push yields improved forefoot stiffness and energy return.
The adidas UltraBoost 21 ‘Grey’ applies a monochromatic neutral finish to the lightweight and responsive performance running shoe. The sneaker’s breathable knit build, incorporating recycled Primeblue materials that include Parley Ocean Plastic, sits atop full-length Boost cushioning that packs 6% more Boost capsules than the UltraBoost 20. Underfoot, a revised Torsion system dubbed Linear Energy Push yields improved forefoot stiffness and energy return.
| Brand | adidas |
|---|---|
| Color | Grey Three / Grey Three / Grey Four |
| Gender | men |
| Silhouette | UltraBoost 21 |
| Occasion | running |
| Upper Material | Primeknit+ |
| Technology | Boost |
| Closure | Lacing |
| Sole Material | Rubber Sole |
| Upper | Low Top |
| Toe Type | Round Toe |
| Thickness | Regular Sole |
| Size | Men's US 3, Men's US 3.5, Men's US 4, Men's US 4.5, Men's US 5, Men's US 5.5, Men's US 6, Men's US 6.5, Men's US 7, Men's US 7.5, Men's US 8, Men's US 8.5, Men's US 9, Men's US 9.5, Men's US 10, Men's US 10.5, Men's US 11, Men's US 11.5, Men's US 12, Men's US 12.5, Men's US 13, Men's US 13.5, Men's US 14 |
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