{"product_id":"cappellino-invernale-castelli-estremo-thermal-nero","title":"Castelli Estremo Thermal winter cap - Black","description":"\u003ch3\u003eCastelli Estremo Thermal winter cap: advanced thermal protection\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eCastelli Estremo Thermal winter cap\u003c\/b\u003e is the ideal solution for anyone cycling in harsh weather conditions. Thanks to the use of \u003cstrong\u003ePolartec® AirCore™\u003c\/strong\u003e on the front panels, this cap offers exceptional \u003cstrong\u003ewind protection\u003c\/strong\u003e while maintaining a compact profile under the helmet. The combination of technical materials ensures superior thermal insulation without adding bulk, allowing cyclists to stay at maximum comfort even during the most demanding winter rides.\u003c\/p\u003e\n\u003ch3\u003eOptimized thermal technology and breathability\u003c\/h3\u003e\n\u003cp\u003eThe structure of the \u003cstrong\u003ethermal cap Castelli\u003c\/strong\u003e integrates \u003cstrong\u003eWarmer fabric on the back\u003c\/strong\u003e to promote proper moisture management and \u003cstrong\u003ebreathability\u003c\/strong\u003e during physical activity. This hybrid design allows sweat to escape effectively, preventing moisture buildup that could compromise insulation. \u003cstrong\u003ePolartec® technology\u003c\/strong\u003e retains body heat while the back fabric allows air circulation, creating an ideal thermal balance for extended winter performance.\u003c\/p\u003e\n\u003ch3\u003eFull coverage and comfort under the helmet\u003c\/h3\u003e\n\u003cp\u003eThe specific cut of the \u003cstrong\u003eEstremo Castelli cap\u003c\/strong\u003e has been developed to fully cover the ears, delivering maximum \u003cstrong\u003ethermal protection\u003c\/strong\u003e in the areas most sensitive to cold. Despite the generous thickness of the insulating materials, the cap maintains a low profile that fits perfectly under any \u003cstrong\u003ecycling helmet\u003c\/strong\u003e, without creating uncomfortable pressure points. This makes it particularly suitable for both road rides and winter bike touring.\u003c\/p\u003e\n\u003ch3\u003eTechnical features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront material: \u003cstrong\u003ePolartec® AirCore™\u003c\/strong\u003e to block the wind.\u003c\/li\u003e\n\u003cli\u003eBack material: breathable \u003cstrong\u003eWarmer\u003c\/strong\u003e fabric.\u003c\/li\u003e\n\u003cli\u003eFull ear coverage.\u003c\/li\u003e\n\u003cli\u003eCompact helmet-compatible profile.\u003c\/li\u003e\n\u003cli\u003eAdvanced thermal insulation.\u003c\/li\u003e\n\u003cli\u003eOptimized moisture management.\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003eSuitable for road cycling and bike touring.\u003c\/li\u003e\n\u003cli\u003eBalanced thickness between warmth and bulk.\u003c\/li\u003e\n\u003cli\u003eMulti-layer hybrid construction.\u003c\/li\u003e\n\u003cli\u003eColor: Black.\n\u003cdiv\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castelli","offers":[{"title":"One size \/ Black","offer_id":54465217364314,"sku":"4526530-010","price":60.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/7139\/6534\/files\/Cappellino-invernale-Castelli-Estremo-Thermal-N-18.jpg?v=1784833414","url":"https:\/\/www.all4cycling.com\/en\/products\/cappellino-invernale-castelli-estremo-thermal-nero","provider":"All4cycling ","version":"1.0","type":"link"}