The 001A upgrades the original 001 with a new, more resilient, and lighter Arnitel® TPEE bio-bsaed midsole, offering roughtly 30% more energy return and increased durability. Maintaining the same Dyneema® upper and Vibram® Megagrip outole, the 001A is an optimally-cushioned ultra distance shoe that is engineered with the lightest and strongest materials for mindless comfort on mindful pursuits. Note that the 001A runs small and we recommend going up a half a size from your regular shoe size. Performance & Sustainability Our sustainability mission is to get the best performance out of the world’s best materials while leaving the lightest footprint possible. Technical Specifications Weight (Women's size US 8): 232g / 8.18 ounces approx. with eTPU insole.Drop / Stack: 5.0mm approx. foot position / Heel: 26mm, Forefoot: 21mm
