Frame measurements
The F3949 is a men's rectangular titanium frame with a thin two-tone brow — black on top, silver on the underside — over an open lower rim. The bridge is silver and the temples are matte black with small white tips at the ends.
- Frame shape: Rectangle
- Rim style: Rimless lower / browline upper
- Frame material: Titanium
- Measurements: 56 mm lens width · 38 mm lens height · 17 mm bridge · 148 mm temple · 136 mm total frame width
- Size: Medium
- Lens options: Single Vision
- Coating options: Blue Light, Photochromic, Anti-Reflective, Anti-Scratch
- Color: Silver
136mm56mm17mm38mm148mm- Frame width
- 136mm
- Lens width
- 56mm
- Lens height
- 38mm
- Bridge width
- 17mm
- Arm length
- 148mm
- Frame shape
- Rectangle
- Rim type
- Rimless
- Frame material
- Titanium
- Frame size
- Medium
- Gender
- Men

