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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
we designed the R8 Plus™ to be easy to use
and your local fitness riding
Proprietary footbed design reduces stress on knees
Revolutionary OOfoam™ technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints
4 oz (Men’s US 10)
Women's Phantom 4 swim training we designed the R8 Plus™The latest update to our high cushion neutral trainer, the Phantom 4, delivers an even more cushioned, responsive, and comfortable ride. The all new upper, midsole, and outsole design gives the shoe a sleek, dynamic look. Weve increased the stack height by 2mm, now offering a 35 30mm platform, providing extra cushion. Our ZipFoam compound is lighter, softer, and more responsive than ever. The Topo Athletic Phantom 4 is perfect for daily miles,