Puma EXPLORE NITRO MID GTX W The Puma EXPLORE NITRO MID GTX W women's hiking boots are engineered for versatile trails, handling everything from flat and gravel paths to steep and rocky terrains. The combination of NITRO foam and PROFOAMLITE in the midsole maximizes comfort on any terrain. The distinctive collar shape and integrated lacing system, which supports the heel, make these shoes a reliable companion on any trail. Featuring a water-resistant GORE-TEX upper, these boots enable you to confidently explore trails no matter the weather conditions. Puma EXPLORE NITRO MID GTX W