Puma Velocity Nitro 4 Mens Running Shoes - Grey BackInStock-16-03-2026 The Go Jacket is Castelli’s

The Go Jacket is Castelli’s most versatile winter jacket

Designed with a double-layer construction

Packed with the highest stack of NITROFOAM™ cushioning

Now featuring PWRRUN+

The EverTrack+ rubber outsole and RAPIDAGILITY soleplate add superior traction and durability where you need it most

Puma Velocity Nitro 4 Mens Running Shoes - Grey BackInStock-16-03-2026 The Go Jacket is Castelli’sRunning feels different for everyone and thats exactly how it should be. Whether youre chasing a PR or just chasing the feeling, Velocity 4 is built to move with you. Any runner, any time, any distance, it can withstand, deliver, and surpass expectations. Our lightest Velocity yet, it features a full length NITROFOAM midsole, improved breathability thanks to new mesh on the upper, and PUMAGRIP outsole for the best traction in the game. BREATHABILITY: