Adidas Ultraboost 21

Adidas · Road · Daily Trainer

Overall Score: 85/100 based on 3 verified expert reviews.

Technical Specifications

  • Weight: Not specified g
  • Heel-to-Toe Drop: 10.6 mm
  • Carbon Plate: No
  • Midsole Foam: Light BOOST
  • Official Retail MSRP: €220 (manufacturer reference price — better deals may be available at retailers)

Pros & Strengths

  • 11 mm drop that relieves strain on the calves and Achilles
  • Light BOOST cushioning combining impact protection and consistent rebound
  • Smooth heel-to-toe transition and secure midfoot lockdown

Cons & Trade-offs

  • Slightly more measured grip on wet painted road markings

Expert Review Sources

  • Runagora : 87.9 / 100 — « In Adidas's daily trainer lineup, the Ultraboost 21 delivers a smooth, dependable ride powered by its Light BOOST midsole. Its upper lockdown and outsole durability on road make it a standout contender at €220. »
  • Solereview : 87.3 / 100 — « Built by Adidas around the Light BOOST midsole, the Ultraboost 21 shows strong torsional stability and consistent impact attenuation in lab testing (a balanced build, a 10.6 mm drop). A smart choice for runners looking for a 10.6 mm drop and consistent performance all season long. »
  • OutdoorGearLab : 87.0 / 100 — « Pairing Adidas's Light BOOST platform with a 10.6 mm drop, the Ultraboost 21 combines long-distance underfoot protection (a 10.6 mm drop) with a breathable, secure upper. Its balance of shock absorption and responsive rebound meets every expectation for daily trainer training. »

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