Japan Self-Defense Force Sunglasses

From the website:

.............................

These sunglasses are officially endorsed by the Japanese military and not only look super-cool but are ultra-strong as well.

The lens will not fracture even if struck at 171km/h (106mph) by a 6.55mm (0.3") diameter object, nor do they shatter if a 500g shaft of iron is dropped on them from 1.27m.

Features:

• 16 x 15 x 4cm (6.3" x 5.9" x 1.6")

• Lens thickness: 2mm (0.08")

• Frames made of TPR/TR90

• Weight: 27.35g

.............................

$392.