Back again for with a fourth generation, the Phantom 4 builds on Topo Athletic’s fan-favorite model with meaningful upgrades designed to support your daily runs. Whether you’re logging miles or on your feet all day, this updated trainer offers even greater comfort and performance to keep you going strong.

Updated ZipFoam™ feels lighter, softer, and more responsive than ever

OrthoLite® performance insole offers long-term resilience and anti-microbial properties

Anatomical toe box allows toes to spread naturally with room to breathe

Engineered mesh upper offers a comfortable fit that enhances airflow and breathability