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2021
FuelCell Sigma SD-X 'White Black'
The New Balance FuelCell Sigma SD-X ‘White Black’ showcases a simple two-tone finish on a performance track spike made for 60m to 400m races. The seamless white knit upper features traditional lace-closure and a sock-like elastic collar. Oversized NB branding sweeps across the lateral forefoot. The lightweight, airy build rides on a FuelCell foam midsole, enhanced with a full-length carbon fiber plate for added responsiveness. Underfoot, the contrasting black outsole uses built-in pins to deliver explosive acceleration.
| Release Date | 06-01-2021 |
| SKU | USDELRCX |
| Nickname | White Black |
| Colorway | Black/White |
| Main Color | White |
| Upper Material | Mesh |
| Technology | FuelCell |
| Category | Cleat |