Rx Titan Size Guide

How to measure your face for a prescription mask width and height
Rx Titan
Size Category: Large - a roomier fit for medium to large face shapes.

How to measure

  • 1 Width: straight line from outer eye corner to outer eye corner. Do not wrap around your face.
  • 2 Height: from just under your nose to just above your eyebrow line.
Mask Sizing Ranges
Min (in) Max (in)
Width 4.13 ″ 5.35 ″
Height 3.05 ″ 4.13 ″
Min (cm) Max (cm)
Width 10.5 cm 13.6 cm
Height 7.8 cm 10.5 cm

Options: Nearsighted lenses from -1.50 to -7.00 · No correction option · Roomier large fit · Wider nose pocket · Built for snorkeling, freediving, and scuba diving.

Fit note: These ranges are based on face measurements, not the full mask frame or seal size. Rx Titan is best for customers who want a wider, roomier fit than our standard medium masks.