Tech Pro M4

The diving mask M4 of tech pro specially manufactured for beginner snorkelers, marine exploration and scuba diving. The its delicate frame, made of high density polycarbonate material, offers low weight, durability and strength. 

It features a wide sealing ring for excellent adhesion and comfort, as well as an additional lip, internally and perimetrically, that provides watertightness and relative rigidity, when you are in deeper dives. Additionally, the frontal inner side as well as the nose pocket, are horizontally designed for greater comfort, minimizing annoying pressure on the forehead and nose.

Finally, the angled Tempered glass lenses in an "inverted teardrop" shape provide additional peripheral vision, and the POM strap buckles are ergonomically designed with double buttons and cylinders that allow for easy and precise strap adjustments.

Features:

• Liquid silicone skirt, liquid silicone rubber.
• Lens treatment with hardening, Tempered glass.
• Lens thickness 4mm.
• Internal volume ± 157ml
• Double skirt lip.
• Rotating straps.
• Silicone double belt strap
• Weight 225g