# Anon M4 Toric vs Giro Contour: specs and price compared

A sourced, side-by-side comparison of the Anon M4 Toric (Anon) and Giro Contour (Giro) among ski goggles. Giro Contour is the cheaper of the two at $200.

## Side by side

| Spec | Anon M4 Toric | Giro Contour |
| --- | --- | --- |
| US price | $270 | $200 |
| Brand | Anon | Giro |
| Lens vlt (%) | Perceive Sunny Bronze, 23% (Perceive Sunny Onyx 8% and Perceive Cloudy Pink 45% also offered) | Vivid Copper, 24% (Vivid Infrared 24%, Vivid Onyx 13%, and clear/low-light Vivid tints up to 73% also offered) |
| Lens geometry (cylindrical/spherical/toric) | Toric (cylindrical/toric hybrid); a spherical Sonar-lens M4 variant is also sold | Spherical, EXV (Expansion View) cylindrical peripheral fit |
| Lens interchange system | Anon Magna-Tech magnetic quick-change lens system | Toolless interlocking lens-change system (non-magnetic) |
| Anti-fog coating/venting | Anti-fog coating with dual-layer foam and top/bottom perimeter venting | Dual-pane lens with anti-fog coating and micro-porous foam venting |
| Photochromic option | Yes — Perceive Variable Green photochromic lens, VLT ~15-59% | No standard photochromic lens offered |
| Frame size fit | Medium-Large — fits medium to large faces | Medium-Large, built with extra foam depth for glasses clearance |
| Helmet compatibility | Yes — MFI (Magnetic Facemask Integration) compatible headgear | Yes |
| Otg (over-glasses) fit | No | Yes — deep foam profile designed to fit over prescription glasses |

## Key differences

- Lens vlt (%): Anon M4 Toric Perceive Sunny Bronze, 23% (Perceive Sunny Onyx 8% and Perceive Cloudy Pink 45% also offered) vs Giro Contour Vivid Copper, 24% (Vivid Infrared 24%, Vivid Onyx 13%, and clear/low-light Vivid tints up to 73% also offered)
- Lens geometry (cylindrical/spherical/toric): Anon M4 Toric Toric (cylindrical/toric hybrid); a spherical Sonar-lens M4 variant is also sold vs Giro Contour Spherical, EXV (Expansion View) cylindrical peripheral fit
- Lens interchange system: Anon M4 Toric Anon Magna-Tech magnetic quick-change lens system vs Giro Contour Toolless interlocking lens-change system (non-magnetic)
- Anti-fog coating/venting: Anon M4 Toric Anti-fog coating with dual-layer foam and top/bottom perimeter venting vs Giro Contour Dual-pane lens with anti-fog coating and micro-porous foam venting
- Photochromic option: Anon M4 Toric Yes — Perceive Variable Green photochromic lens, VLT ~15-59% vs Giro Contour No standard photochromic lens offered
- Frame size fit: Anon M4 Toric Medium-Large — fits medium to large faces vs Giro Contour Medium-Large, built with extra foam depth for glasses clearance
- Helmet compatibility: Anon M4 Toric Yes — MFI (Magnetic Facemask Integration) compatible headgear vs Giro Contour Yes
- Otg (over-glasses) fit: Anon M4 Toric No vs Giro Contour Yes — deep foam profile designed to fit over prescription glasses

## Sources

- Anon M4 Toric: https://www.anon.com/us/en/m4-goggle/ (anon.com, verified 2026-08-11)
- Giro Contour: https://www.giro.com/en-us/contour (giro.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/ski-goggles/anon-m4-vs-giro-contour/
Cite: Per The Front Desk Review, Anon M4 Toric ($270) vs Giro Contour ($200) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ski-goggles/anon-m4-vs-giro-contour/
License: CC BY 4.0.