Bloc Eyewear Stealth Shiny Black Orange Sunglasses (3 Interchangeable Lens) Description: The lightweight Stealth is a BLOC legend. Its a vital part of any kit bag providing demanding athletes the ultimate in performance & protection. Perfect for skiing cycling & shooting with maximum peripheral vision. Conforms to EU Standard BS EN 1836: 2005 + A1:2007 Lens: 3 Interchangeable Lens System 3 interchangeable lenses let you adapt to all sports & all weather conditions. The three lenses supplied are: Clear Cat.1 Citrus Cat.1 & VE5 Cat 3. Frame: BLOC frames utilises tough & compliant KARBON TX core injected frames & are hand finished. They are flexible lightweight & designed for comfort fit & performance. The sports hinge offers both strength & performance. The hypoallergenic nose pads are designed for comfort & fit. Specifications: Moulded nose pads prevent slipping & improve comfort control & performance. A comfortable lightweight flexible frame for high speed pursuits.