Audiophile quality, with most comfortable time tested design by cutting edge electronics company SONXTRONIC. Similar but vertical design to the sony mdr-w08 and sony mdr-w08L the SONXTRONIC XDR-8000 is a must have for active women and men wanting extended comfort in an attractive, simple, ultralight weight stay in place design with great looks and true quality sound for an ultralight sport headphone. Doesn't fall out like eabuds. Doesn't move like behind the ear headphones. Earpiece shape is the most comfortable for extended wear.