MUCHi
MUCHi Glacier Shield — Category 4, sealed and strapped, Chalk / Smoke
LensDual-pane anti-fog, dark smoke
UV ratingUV400 — 100% UVA / UVB
Light categoryCat. 4 (7% VLT)
FrameTPU chassis + triple-layer foam
Weight42 g
FitsUniversal, helmet compatible

High Altitude

Glacier Shield

A sealed goggle system for snowfields and glacier travel, where ordinary sunglasses are simply not enough.

$149.00 Cat. 4
4.9 · 74 reviews
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  • Cat. 4 lens at 7% VLT — not legal for driving, correct for snow
  • Dual-pane anti-fog lens with sealed air gap
  • Triple-layer face foam, 40 mm silicone-backed strap
Free worldwide shipping over $75. 30-day returns on unused pairs. Two-year frame warranty. Payment is confirmed by email before anything is charged.

Design notes

On a glacier the light coming at you is roughly double what you get on a beach — direct sun plus everything bouncing off the snow. Glacier Shield runs a Cat. 4 lens at 7% visible light transmission with a triple-layer face foam that seals the orbital socket, and a dual-pane lens that refuses to fog when you stop moving.

Cat. 4 lens at 7% VLT — not legal for driving, correct for snow

Common questions

Glacier Shield runs a Cat. 4 (7% VLT) lens at 42 g, which suits category 4 filtration and sealed shields for snow and glacier. If your route crosses snow or glacier you need Category 4 filtration instead — take the Glacier Shield. If you are unsure, email us your route and we will tell you straight.

Rinse under running water before wiping — trail dust is abrasive and most coating damage happens when grit is wiped dry into the surface. Use the supplied microfibre pouch, never a shirt. Avoid solvents and sunscreen on the lens; DEET and alcohol will attack the coating permanently.

Two years from delivery, covering hinge failure, frame cracking under normal use, coating delamination and failure of the rubber grip components. It does not cover cleaning scratches, lost pairs or impact damage — though replacement lenses are cheap and available.

Add your pair to the cart and submit the order form with your shipping address. Within one business day you receive a confirmed total — including duty where applicable — with a secure payment link. Nothing is charged until you approve that total.

Pairs well with