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Pearl Izumi isoSeek 4 and isoSeek 4 WRX–($105/$120)

  • By Mario Fraioli
  • Published Dec. 8, 2010
  • Updated Dec. 8, 2010 at 3:03 PM UTC

pearlizumi.com

Available in either mesh or waterproof styles, the fourth iteration of the isoSeek provides a firm and stable ride that our test team recommended for those seeking cushioning, protection and motion control, especially for runners who have a heftier stride. The weather-resistant seamless upper had an enveloping fit with ample room in the toe box. The midsole and outsole combined for a rigid ride that testers appreciated on rocky trails, but they found the firm dual-density EVA midsole had limited flex on more moderate terrain.

Tester’s Take: “I enjoyed the rock protection of the stiffer sole, the meticulous design of the soft upper that felt like my foot was wrapped in a Lay-Z-Boy, and the eye-grabbing aesthetics made the IsoSeek the life of the party!”

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Mario Fraioli

Mario Fraioli

Mario Fraioli is a senior editor at Competitor magazine. A cross-country All-American at Stonehill College in 2003, he now coaches the Prado Women's Racing Team in San Diego and was the men's marathon coach for Costa Rica's 2012 Olympic team. His first book, The Official Rock 'n' Roll Guide To Marathon & Half-Marathon Training (VeloPress, 2013) is available in bookstores, running shops and online.