![Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training](https://www.thesun.co.uk/wp-content/uploads/2018/08/NINTCHDBPICT000424478586.jpg?strip=all&w=875)
Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training
Altitude Mask - Anthony Joshua killing his session with his Altitude Mask on the Wattbike. Get Yours Now! Global Shipping! ▻ Increases Your Endurance ▻ Reduce your workout time by two-thirds ▻
![Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10171821.ece/ALTERNATES/s615b/xxxxxxx.jpg)
Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online
![Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article10171820.ece/ALTERNATES/s615b/xxxxxxx.jpg)
Anthony Joshua preparing for world heavyweight title fight against Wladimir Klitschko with altitude mask - Mirror Online
![Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training](https://www.thesun.co.uk/wp-content/uploads/2018/08/NINTCHDBPICT000424478594.jpg)
Altitude masks: Gareth Bale, Dele Alli and Anthony Joshua fans of bizarre 'Bane' mask which claims to reproduce benefits of altitude training
![Anthony Joshua on Twitter: "Warming-up 📈 with my @AltitudeMask #altitudemask https://t.co/H6qYWnrZPO" / Twitter Anthony Joshua on Twitter: "Warming-up 📈 with my @AltitudeMask #altitudemask https://t.co/H6qYWnrZPO" / Twitter](https://pbs.twimg.com/media/DS8qL99W4AErKkM.jpg)