Featuring USDA-certified bio-based Nucleon PLASMA technology

it delivers superior ventilation and elite mobility

with optimized capacity and access through a convenient top zipper closure

Ergonomically profiled for sport riding with superb ventilation

Featuring a seam-sealed waterproof membrane

stella faster 4 drystar shoes black gray coral fluo RGroup_1211-81013 Featuring USDA-certified bio-based Nucleon PLASMAFeaturing performance innovations derived from Alpinestars' rich history of competing at the very highest levels of motorsports, the Stella Faster 4 Drystar Shoe utilizes a seamless microfiber construction upper to create an even more protective and comfortable riding shoe. The Stella Faster 4s are extremely lightweight, breathable, and durable, and incorporate Alpinestars Drystar technology, a multi layer membrane engineered for moisture