{"product_id":"insole-foot-warmers-disposable-insole-warmers-for-feet","title":"Blobuste Insole Foot Warmers, 40 Pairs, Size L (EU 41–44) — Slim Disposable Air-Activated Insoles with up to 7 Hours of Warmth","description":"\u003cp\u003e\u003cstrong\u003eBlobuste Insole Foot Warmers are slim, air-activated disposable insoles that slip into EU41-44 shoes to deliver up to seven hours of steady warmth without batteries.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen cold feet slow you down, these thin disposable insoles provide instant, reliable heat using air-activated iron powder technology. Packaged as 40 pairs in size L (EU41-44), the warmers are designed to be breathable, odorless, and low-profile so they fit into boots, sneakers, or dress shoes for outdoor activities, work shifts, and travel.\u003c\/p\u003e\n\n\u003ch3\u003eHow do Blobuste insoles warm my feet so quickly?\u003c\/h3\u003e\n\u003cp\u003eActivation occurs when the adhesive backing is exposed to air; the iron powder inside oxidizes and generates heat without any external power source. The reaction is steady and controlled to produce gentle, consistent warmth rather than a sudden spike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAir-activated iron powder formula — no batteries or charging required\u003c\/li\u003e\n  \u003cli\u003eFast warm-up time suitable for impromptu use outdoors\u003c\/li\u003e\n  \u003cli\u003eEven heat distribution to avoid hot spots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my shoes and feel comfortable all day?\u003c\/h3\u003e\n\u003cp\u003eThe insoles come in a universal L size intended for EU41-44 and feature an ultra-thin profile so they won’t noticeably change fit or shoe volume. Breathable non-woven materials help maintain comfort while the adhesive keeps the insole in place during movement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlim construction fits inside boots, hiking shoes, and casual footwear\u003c\/li\u003e\n  \u003cli\u003eAdhesive backing secures the insole to prevent slipping\u003c\/li\u003e\n  \u003cli\u003eOdorless, non-woven outer layer for comfort and breathability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does each pair stay warm and in what conditions?\u003c\/h3\u003e\n\u003cp\u003eEach pair provides continuous warmth for up to seven hours under normal outdoor conditions, enough for a full work shift or a day of winter activities. Performance depends on temperature and airflow; colder, windier environments may shorten duration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 7 hours of consistent warmth per pair\u003c\/li\u003e\n  \u003cli\u003eBest for moderate to cold conditions; extreme cold may reduce duration\u003c\/li\u003e\n  \u003cli\u003eDisposable design for one-time, convenient use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store these disposable insoles?\u003c\/h3\u003e\n\u003cp\u003eOpen the sealed packet to expose the adhesive-warmed surface to air to begin activation, then place the insole adhesive-side down into your shoe. Store unused pairs in a cool, dry place sealed in their original packaging to preserve shelf life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove from packet and expose to air to activate\u003c\/li\u003e\n  \u003cli\u003ePress adhesive side into shoe for secure placement\u003c\/li\u003e\n  \u003cli\u003eKeep unused warmers sealed and stored away from moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Blobuste Insole Foot Warmers are aimed at anyone who spends extended time outdoors or in cold workplaces and needs a simple, disposable heating solution—hikers, skiers, hunters, commuters, event-goers, and workers on cold shifts. The L size (EU41-44) fits most adult shoe sizes in that range, and the bulk 40-pair pack suits families, teams, or frequent outdoor enthusiasts who prefer ready supplies without recharging or maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do Blobuste insole warmers keep my feet warm?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each pair delivers up to seven hours of continuous warmth under typical conditions; extreme cold may reduce duration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these insoles fit in different types of shoes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ultra-thin L size (EU41-44) fits boots, sneakers, and dress shoes without adding bulk.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blobuste","offers":[{"title":"Default Title","offer_id":48030159765665,"sku":"B0DCJLPNN4","price":157.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/blobuste-front-packaging.jpg?v=1791396490","url":"https:\/\/canadiansporting.ca\/products\/insole-foot-warmers-disposable-insole-warmers-for-feet","provider":"Canadian Sporting","version":"1.0","type":"link"}