Built for fast, fluid play, the 561v1 pairs a feather‑light feel with reinforced upper durability to handle the demands of every rally. FuelCell cushioning amplifies explosiveness and highlights the kind of athleticism that turns a split‑second dive and perfectly timed pancake into a momentum‑shift.
- FuelCell foam delivers a propulsive feel to help drive you forward
- PU foam insert offers long-lasting comfort and support on court
- Flexible, non-marking outsole
- Carved-out outsole for a lightweight feel
