The adidas UltraBoost 21 ‘Triple Black’ delivers a stealthy iteration of a performance running shoe that takes advantage of more Boost cushioning and a more responsive ride than its predecessor. A flexible Primeknit upper, incorporating Parley Ocean Plastic and other recycled materials, sits atop a black Boost midsole that packs 6% more Boost capsules. Underfoot, Linear Energy Push technology provides 15% more forefoot stiffness to produce improved energy return with each step.
UltraBoost 21 ‘Triple Black’
Additional information
| Weight | 1.2 kg |
|---|---|
| Brand | Adidas |
| Color | Core Black/Core Black/Core Black |
| Gender | Unisex |
| Size | 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 37 1/3, 38 2/3, 39 1/3, 40 2/3, 41 1/3, 42 2/3, 43 1/3, 44 2/3, 45 1/3 |
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