Specially blended polyester and polyether materials are able to hold tension better than standard polyester strings

and bunions

even with gloves or cold fingers

Updated carbon fiber plate combines with a PEBA FuelCell midsole for a more energetic ride

16x19 string pattern maximizes spin for greater ball length and safety over the net

Puma Voyage NITRO 4 Men's Lux Army/Warm White/Dusky Gray Grip Type_Leather Specially blended polyester and polyetherTake your adventures further in the PUMA Voyage Nitro 4! This trail running shoe features a structured yet breathable upper with PWRTAPE reinforcements for a secure fit. Stay comfortable during long days on the trail on the soft NITROFOAM midsole. The durable PUMAGRIP ATR rubber offers multi directional traction for steep ascents and varying conditions. Wherever the trail takes you, the PUMA Voyage Nitro 4 is ready to explore! Shoe Technology Upper: