Hoka Cielo X1 2.0 - Blue First, the Hoka Cielo X1 2.0 - Blue in Blue is the Cielo X1 2.0's most composed racing colorway — a shade that balances competitive aggression with calm execution. PEBA foam and full-length carbon plate for the Hoka runner who is ready and controlled. Moreover, the Cielo X1 2.0 is Hoka's definitive answer to the super shoe era — PEBA foam and carbon plate propulsion in a geometry designed for elite and competitive age-group runners who want Hoka's platform at maximum intensity. PEBA + Full-Length Carbon: Hoka Elite Racing Platform Additionally, the Cielo X1 2.0 uses Hoka's most responsive racing foam — PEBA, the compound that outperforms EVA in energy return and weight simultaneously. Combined with a full-length carbon fiber plate, it creates Hoka's most aggressive propulsion system — designed for runners who want to find out what the brand's geometry can do when stripped of everything except race-day performance. Mono-mesh upper: featherlight race fit. Rubber outsole. 195 g. 5 mm drop. 37 mm heel stack. Hoka's lightest and fastest racing shoe. For Who? For competitive Hoka runners ready to race at their absolute limit. Best for marathon and half-marathon athletes who want Hoka's geometry at max intensity. Technical Data Weight: 195 g (US M 9.5) Drop: 5 mm Stack: 37 mm heel / 32 mm forefoot Foam: PEBA Plate: Full-length carbon fiber Upper: Mono-mesh — featherlight Outsole: Rubber — targeted zones Surface: Road Usage: Racing — marathon, half-marathon