{"product_id":"1-187107-rossby-ls-shirt","title":"SITKA ROSSBY LS SHIRT","description":"\u003cp\u003eThe Sitka Rossby LS Shirt is a premium, high-performance warm-weather operational matrix engineered for backcountry operators and precision anglers requiring rapid environmental adaptation in high-exposure solar zones. Moving away from uncalibrated, heavy button-downs that trap ambient heat, absorb heavy sweat, and restrict technical casting rotation, this advanced technical garment organizes your upper-body workspace in an ultralight, highly breathable layout built for intense midday heat and streamlined physical clarity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSnag-Resistant 4-Way Stretch Core: Form-engineered with an ultralight, highly breathable stretch woven textile to deliver an uncompromised balance of unrestricted casting or rowing mobility and rugged brush resistance on overgrown banks.\u003c\/li\u003e\n\u003cli\u003eIntegrated Vapor-Permeable Back Vents: Fabricated with engineered, low-profile rear ventilation mesh grids to amplify constant cooling airflow, filtering out overheating vulnerabilities during high-exertion poling or casting cycles.\u003c\/li\u003e\n\u003cli\u003ePolygiene® \u0026amp; UPF Solar Shield Geometry: Outfitted with an integrated UPF 50+ sun protection rating to block harmful UV rays, working alongside permanent Polygiene® Odor Control Technology to safely neutralize sweat bacteria and eliminate multi-day scent vulnerabilities and technical lag.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SITKA","offers":[{"title":"GRANITE \/ LG","offer_id":52717275054396,"sku":"1-187107","price":109.0,"currency_code":"USD","in_stock":false},{"title":"GRANITE \/ MD","offer_id":52717275087164,"sku":"1-187107","price":109.0,"currency_code":"USD","in_stock":true},{"title":"GRANITE \/ XL","offer_id":52717275119932,"sku":"1-187107","price":109.0,"currency_code":"USD","in_stock":true},{"title":"GRANITE \/ XXL","offer_id":52717275185468,"sku":"1-187107","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/3379\/5900\/files\/SITKA-ROSSBY-LS-SHIRT-MEDIUM-TO-2XL-GRANITE.png?v=1779488283","url":"https:\/\/joessportinggoods.com\/products\/1-187107-rossby-ls-shirt","provider":"Joe's Sporting Goods","version":"1.0","type":"link"}