Image not availableRandolph Engineering
Aviator - 22k Satin Rose Gold & Slate - Prescription Sunglasses
- 55 mm lens
- Weight not published
Polarized
Color not published
$255
1 retailer
National Lampoon's Christmas Vacation Fort Knocks
The Knockaround National Lampoon's Christmas Vacation Fort Knocks are 54-21-139 square sunglasses with polarized lenses.
- Size
- 54-21-139
- Weight
- Not published
- Polarized
- Yes
- Frame
- Not published
Image not availableColor not published
Full specs
Last verified Oct 5, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (knockaround.com).
| Lens width | 54 mm |
|---|---|
| Bridge | 21 mm |
| Temple length | 139 mm |
| Frame width | 148 mm |
| Shape | Square |
|---|---|
| Polarized | Yes |
| UV400 / 100% UV | Yes |
| Prescription available | Yes |
| Spring hinges | Yes |
| Built for | Everyday carry |
|---|---|
| Warranty | Lifetime Warranty |
