The Puma Fast-Trac NITRO 4 shoes are designed for men seeking performance and durability in their trail running activities. This model stands out for its combination of lightness and robustness, ideal for technical and demanding terrain. It features a midsole with NITROFOAM™ technology, which provides responsive and lightweight cushioning for greater comfort while running. Its PUMAGRIP ATR outsole delivers optimal grip on different surfaces, thanks to its deep lugs and hard-wearing rubber. The upper is made from engineered mesh that enhances breathability and includes PWRTAPE reinforcements for greater durability and a secure fit. In addition, they include toe and mudguard protection to shield against impacts and dirt. With an approximate weight of 272 grams, these shoes strike the perfect balance between speed and control, making them a reliable option for those who practise mountain trail running.