Nike dual fusion x 2 trainers ladies the nike dual fusion x 2 trainers are a lightweight construction that features a mesh upper to offer ventilation to your feet a cushioned insole is teamed with a padded shaped ankle collar to promote a comfortable fit that locks feet in place thanks to its full length laced up fastening on the forefoot nike branding completes the look trainers lightweight mesh upper breathable lace up fastening shaped padded ankle collar cu