The product terminology of NAROO masks is made up of combinations of 3 elements:
1st character is about product category
- Z – Advanced (with 3D ventilation features), e.g. Z5H
- F – Filtering (with Micronet filtering features), e.g. F9F
- N – New Extreme (upgraded from X, with special stitching, upgraded fabric functionality), e.g. N3F
- X – Standard Extreme (standard product line), e.g. X5
- E – Easy (basic product line), e.g. E3
2nd character is about the thickness of the fabric:
- 0 – Super Thin, e.g. N0U
- 1 – Super Light, e.g. N1
- 3 – Light, e.g. N3F
- 5 – Medium, e.g. F5
- 7 – Medium Thick 7, e.g.N7F
- 9 – Thick, e.g. X9, Z9H
3rd character is about the shape of the product:
- S – Sports Mask, Short Tubular, e.g. F1s
- H – Half-Face Balaclava, e.g. F3H
- F – Full-Face Balaclava, e.g. F9F
- U – Universal, Face Mask shape. e.g. F.U Plus
- – Neck Gaiter, Standard Tubular. e.g. X5
For instance, Z5H means it is a model of Z (Advanced) category with a thickness of 5 points and Half-balaclava style