KF's safety remains the same. It's twice as light

It's designed in a triple structure, so it's easy to breathe

Comfortable to wear even for a long time

It's a cover zone that's 1 cm wider, so it's more comfortable to breathe

Block hazardous substances up

Designed with an optimal strap spacing of 5.5 cm

Comfortable all day long with a flat earband that makes you comfortable all day long

Easy pressure with aluminum nose support

Technology of three-dimensional pattern that makes space wider and the appearance slim

13 different colors for various moods, anytime, anywhere

Skin Hypoallergenic Test

Earn the highest rating (excellent)

It's easier to breathe in a relaxed breathing space