CRATER FOAM COMFORT. The best-selling Run Star Hike gets grounded in recycled elements, starting with a 100% recycled canvas build and 100% recycled mesh lining. A speckled, crater foam treatment increases comfort while keeping it lightweight and responsive. Regrind rubber heel and forefoot pods bring recycled elements from front to back, with 100% recycled polyester laces to tie the look together. Finished with a 76% recycled OrthoLite sockliner for can't-beat comfort you can feel good about.