{"title":"High Mountain Trekking Sunglasses","description":"\u003csection class=\"two-nu-activity-copy\" data-activity-route=\"alpine\" data-activity-count=\"1\"\u003e\n  \u003caside class=\"two-nu-activity-answer\" data-answer-block=\"true\"\u003e\n    \u003ch2\u003eQuick answer for High Mountain Trekking\u003c\/h2\u003e\n    \u003cp\u003eThe matches below are filtered first for strong High Mountain Trekking performance, then keep the relevant 2nu model, lens, and prescription-compatible choices together so you can compare only practical options for this use.\u003c\/p\u003e\n  \u003c\/aside\u003e\n\u003c\/section\u003e\n\u003c!-- CODEX_ACTIVITY_COMMON_ISSUES_V1_START --\u003e\n\u003ctwo-nu-activity-issues class=\"two-nu-activity-surface two-nu-activity--alpine two-nu-activity--flow\" data-two-nu-activity-issues data-activity-route=\"alpine\" style=\"--activity-card-count: 4\"\u003e\n  \u003csection id=\"activity-issues-alpine\" class=\"two-nu-activity-section two-nu-activity-issues\" aria-labelledby=\"activity-issues-alpine-title\"\u003e\n    \u003cdiv class=\"two-nu-activity-inner\"\u003e\n      \u003cheader class=\"two-nu-activity-heading\"\u003e\n        \u003ch2 id=\"activity-issues-alpine-title\"\u003eCommon ALPINE trekking issues, solved\u003c\/h2\u003e\n        \u003cp\u003eExposed glare, rock-and-snow detail, strong wind and route checks place different demands above the treeline. Open each card to see the 2nu response.\u003c\/p\u003e\n      \u003c\/header\u003e\n      \u003cdiv class=\"two-nu-activity-card-track\" role=\"list\"\u003e\n      \u003carticle id=\"activity-issue-alpine-1\" class=\"two-nu-activity-card\" role=\"listitem\" data-activity-card data-activity-source=\"alpine\"\u003e\n        \u003cdiv class=\"two-nu-activity-card__stage\"\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__front\" data-activity-face=\"front\"\u003e\n            \u003cspan class=\"two-nu-activity-card__number\"\u003e01\u003c\/span\u003e\n            \u003ch3\u003eExposed snow and rock create hard glare\u003c\/h3\u003e\n            \u003cp\u003eAbove the treeline, direct sun and reflected light can remain intense for long sections with little natural shade.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-1\" aria-expanded=\"false\"\u003e\n              \u003cspan\u003eSee how 2nu solves it\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__back\" data-activity-face=\"back\"\u003e\n            \u003cspan class=\"two-nu-activity-card__solution-label\"\u003eHow 2nu solves it\u003c\/span\u003e\n            \u003ch3\u003eStart with ALPINE-rated glare control\u003c\/h3\u003e\n            \u003cp\u003eEvery 2nu sunglass lens provides UV400 protection. For sustained exposed glare, start with the deeper blue- or gold-mirror configurations that rank strongly on the ALPINE axis, then choose TVO Pro or Hexachroma by detail and screen needs.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-1\" aria-expanded=\"true\"\u003e\n              \u003cspan\u003eBack to the issue\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e↩\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n      \u003carticle id=\"activity-issue-alpine-2\" class=\"two-nu-activity-card\" role=\"listitem\" data-activity-card data-activity-source=\"alpine\"\u003e\n        \u003cdiv class=\"two-nu-activity-card__stage\"\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__front\" data-activity-face=\"front\"\u003e\n            \u003cspan class=\"two-nu-activity-card__number\"\u003e02\u003c\/span\u003e\n            \u003ch3\u003eRock, snow and shadow detail changes quickly\u003c\/h3\u003e\n            \u003cp\u003eTerrain can move from bright snow or pale rock into deep shadow, making surface texture and route cues harder to separate.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-2\" aria-expanded=\"false\"\u003e\n              \u003cspan\u003eSee how 2nu solves it\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__back\" data-activity-face=\"back\"\u003e\n            \u003cspan class=\"two-nu-activity-card__solution-label\"\u003eHow 2nu solves it\u003c\/span\u003e\n            \u003ch3\u003eKeep terrain detail in the decision\u003c\/h3\u003e\n            \u003cp\u003eTVO Pro focuses on strong polarized glare control. Hexachroma is the flagship option when you also want higher outdoor detail and easier separation across exposed and shaded terrain.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-2\" aria-expanded=\"true\"\u003e\n              \u003cspan\u003eBack to the issue\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e↩\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n      \u003carticle id=\"activity-issue-alpine-3\" class=\"two-nu-activity-card\" role=\"listitem\" data-activity-card data-activity-source=\"alpine\"\u003e\n        \u003cdiv class=\"two-nu-activity-card__stage\"\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__front\" data-activity-face=\"front\"\u003e\n            \u003cspan class=\"two-nu-activity-card__number\"\u003e03\u003c\/span\u003e\n            \u003ch3\u003eWind and long movement shift the frame\u003c\/h3\u003e\n            \u003cp\u003eStrong wind, climbing movement and long wear can make a loose frame move, while over-tightening creates local pressure.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-3\" aria-expanded=\"false\"\u003e\n              \u003cspan\u003eSee how 2nu solves it\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__back\" data-activity-face=\"back\"\u003e\n            \u003cspan class=\"two-nu-activity-card__solution-label\"\u003eHow 2nu solves it\u003c\/span\u003e\n            \u003ch3\u003eFlexFoam™ + FlexLock™\u003c\/h3\u003e\n            \u003cp\u003eAdjust a FlexFoam™ frame by hand first, then wear it for about five minutes. FlexLock™ distributes holding force around the head for stable wraparound support instead of relying on one tight pressure point.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-3\" aria-expanded=\"true\"\u003e\n              \u003cspan\u003eBack to the issue\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e↩\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n      \u003carticle id=\"activity-issue-alpine-4\" class=\"two-nu-activity-card\" role=\"listitem\" data-activity-card data-activity-source=\"alpine\"\u003e\n        \u003cdiv class=\"two-nu-activity-card__stage\"\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__front\" data-activity-face=\"front\"\u003e\n            \u003cspan class=\"two-nu-activity-card__number\"\u003e04\u003c\/span\u003e\n            \u003ch3\u003eMap, GPS and watch screens go dark\u003c\/h3\u003e\n            \u003cp\u003eSome polarized lenses can make navigation and safety screens appear dark at certain angles.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-4\" aria-expanded=\"false\"\u003e\n              \u003cspan\u003eSee how 2nu solves it\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e→\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"two-nu-activity-card__face two-nu-activity-card__back\" data-activity-face=\"back\"\u003e\n            \u003cspan class=\"two-nu-activity-card__solution-label\"\u003eHow 2nu solves it\u003c\/span\u003e\n            \u003ch3\u003eHexachroma for route checks\u003c\/h3\u003e\n            \u003cp\u003eHexachroma helps reduce common screen blackout while keeping polarized glare control. Results still vary by device and angle, so test the route tools you rely on before a long trek.\u003c\/p\u003e\n            \u003cbutton type=\"button\" class=\"two-nu-activity-card__toggle\" data-activity-card-toggle aria-controls=\"activity-issue-alpine-4\" aria-expanded=\"true\"\u003e\n              \u003cspan\u003eBack to the issue\u003c\/span\u003e\u003cspan aria-hidden=\"true\"\u003e↩\u003c\/span\u003e\n            \u003c\/button\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/two-nu-activity-issues\u003e\n\u003c!-- CODEX_ACTIVITY_COMMON_ISSUES_V1_END --\u003e","products":[],"url":"https:\/\/2nu.vision\/en-hk\/collections\/high-mountain-trekking-sunglasses.oembed","provider":"2nu - Unleash Your Vision","version":"1.0","type":"link"}