Pi
3.141592653589793238462643383
27950288419716939937510582097494
4592307816406286208998628034825
34211706798214808651328230664709
38446095505822317253594081284811
174502841027019385211055596446229
48954930381964428810975665933446
128475648233786783165271201909145
64856692346034861045432664821339
360726024914127372458700660631558
817488152092096282925409171536436
789259036001133053054882046652138
4146951941511609433057270365759591
95309218611738193261179310511854807
4462379962749567351885752724891227
9381830119491298336733624406566430
8602139494639522473719070...
Area = π x r²
Virtual Try-On
Try your Knockaround sunglasses virtually before you buy. Allow access to your device's camera and select from the options below.
Use average pupillary distance (fastest):
or
Select your pupillary distance (most accurate):
What's my pupillary distance?Size Guide
Laid-back or buttoned-up, Fort Knocks are durable, high-quality, and will add some cool to any outfit.
Size Guide
54mm Lens | 21mm Bridge | 139mm Temple
Frame: 148mm Width | 49mm Height
- Medium to larger sized head shape.
- Round, rectangular, diamond, or oval faces.
- Perfect for standing or walking or sitting or... (see where we are going with this?)