Nike ACG PyroclastPart of the ACG (All Conditions Gear) collection, the Nike Pyroclast is a rugged and durable sneaker. They were constructed with a breathable mesh and suede upper, padded collar, reinforced toe, thick midsole with rigid grooves, and a structured heel with detail stitching. Plus, Nike implemented a 0.44 rubber sole for outstanding traction on most surfaces. Ultimately, the Nike Pyroclast is a great outdoor sneaker that will get you where you want to go.