{"product_id":"thermic-s-pack-4000b-spack4000","title":"Thermic S-PACK 4000B","description":"\u003cp\u003eSkiers who need the most run time from their heated socks should look at the Thermic S-PACK 4000B, a high-capacity rechargeable battery set with Bluetooth control. Three adjustable heat levels and USB-C charging keep it simple, and it offers the longest battery life in Therm-ic's current S-Pack range. That means steady, warm toes from the morning lift line to après.\u003c\/p\u003e\u003ch3\u003eWhy we like it:\u003c\/h3\u003e\u003cp\u003eOn its lowest setting it runs nearly a full day and night, so cold-footed skiers can stop rationing heat by midafternoon.\u003c\/p\u003e\u003ch3\u003eFeatures and Functions:\u003c\/h3\u003e\u003cp\u003eRun time is the headline here: up to 23 hours on level one, 10 hours on level two and 7 hours on level three. Two batteries and a USB-C charger that powers both at once come in the box, and the Therm-ic app lets you change heat levels from your phone. Splash and dust resistant housings and snap fastenings keep the packs secure, and they're designed for Therm-ic and Sidas heated socks with S.E.T. or Fusion technology, including the Ultra Warm Sensor S.E.T. socks.\u003c\/p\u003e\u003ch3\u003eBottom Line:\u003c\/h3\u003e\u003cp\u003eThe pick for skiers with chronically cold feet or long days outside who want maximum warmth from compatible heated socks.\u003c\/p\u003e","brand":"Thermic-C","offers":[{"title":"Default Title","offer_id":52205933429032,"sku":"SPACK4000","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/5135\/6456\/files\/thermic-s-pack-4000b-spack4000-spack4000.jpg?v=1792515725","url":"https:\/\/checkout.skiessentials.com\/products\/thermic-s-pack-4000b-spack4000","provider":"SkiEssentials","version":"1.0","type":"link"}