Here's what other sites are saying:
A slip lasted upper built on an ergonomic last provides a svelte, form fitting, glove-like fit that is super responsiveErgonomically sculpted midsole with MorphoDynamic technology makes the trail feel as though you are running on a smooth, even surfacePU and EVA midsole work in tandem to absorb the trail features and provide the plushest ride on the marketSoft PU deforms upon impact to dissipate impact forces before they are further absorbed in the EVA layer Specifications Weight: 12.82 oz/368 gUpper: AirMesh/TPU/UreTech/4-way stretch dynamic scree guardLast: DynamicLining: AirMeshMidsole: MorphoDynamic Polyether PU/ Injection molded EVA/ TPU heel counterSole: MorphDynamic FriXion ATH(mm): Heel: 31mm Toe: 20mm H: 11mmCushioning: Midsole: PU: 30A EVA: 45A
- River Sports Outfitters
CLOSEOUTS . Built on an exclusive MorphoDynamic platform, La Sportiva's Quantum trail running shoes help you achieve maximum performance in ultimate comfort. Designed for trail running over moderate to technical terrain, these are also fitted with a FriXionand#174; AT sticky rubber outsole for serious grip. Available Colors: BLACK/YELLOW, RED/BLACK, CHARCOAL/LIME, RED/BLUE. Sizes: 41, 41.5, 42, 42.5, 43, 43.5, 44, 44.5, 45, 45.5, 46, 46.5, 47, 47.5.
- Sierra Trading Post
With it's improved cushioning and MorphoDynamic sole technology, the La Sportiva Quantum Trail Running Shoe definitely performs best when it matters most. Thanks to a unique construction of the sole, polyurethane foam fills small cavities to create a unique shock absorbing layer. This proprietary MorphoDynamic technology provides cushioning that makes even rocks seem soft so you know that you get the best in comfort for your next race or fun run.
La Sportiva's Quantum has a sculpted, slip lasted upper that rides on their new morphodynamic technology platform. Great for people looking for the ultimate trail shoe.