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Attack the track with the New Balance SD400. This elite-level sprint spike features an aggressive, full-length 8-pin plate for relentless traction and optimal power transfer. A synthetic upper securely holds your foot in place for performance in events up to 400m.
Important Shipping Note: U.S. sales only.
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Weight: 4.5 oz (size 8)
Available Widths: B=Medium
How It Fits (based on width B)
- Sizing: Standard running shoe length
- Heel: Medium
- Midfoot: Medium to narrow
- Forefoot: Narrow
- Toebox Height: Low
- Shoe Shape: Curved
The SD400 is a lightweight sprint spike designed for distances up to 400m.
- To keep weight low, this shoe contains no additional cushioning technologies.
- Internal Shank is a thermoplastic unit in the midsole that provides torsional rigidity.
- Synthetic Upper provides a close fit for optimal security and performance.
- High Response TPU Plate provides lightweight traction on the track as well as torsional rigidity for performance.
- Contains 8 spike receptacles per shoe.
- RL-2 is a distance racing-specific last with a narrow heel, a standard forefoot width, and a standard toe-box height.
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FOOTWEAR PERFORMANCE CHARACTERISTICS