This mask is from the Body Glove professionall range and has the added benifit of the excellent QAS adjustment system.

Mask features:

• Supersized lens, upto 225% bigger viewing area than traditional adult masks
  
• QAS (Quick adjusting strap), fast and easy adjustment
• Tempered glass lenses, meet all ANSI standards
• Soft sillicone, provides a comfrtable face seal