{"product_id":"frost-guard-vbl-vapor-barrier-liner","title":"Frost Guard VBL - Vapor Barrier Liner","description":"\u003cp\u003eThe Frost Guard VBL is a lightweight vapor barrier liner designed to help prevent body moisture from accumulating in your sleeping bag or quilt during extended cold-weather trips. It creates a barrier between your body and your sleeping insulation, helping reduce moisture buildup that can affect insulation performance.\u003c\/p\u003e\n\u003cp\u003eIts simple, tapered, hoodless design minimizes weight and bulk while offering multiple sizes to accommodate different sleep systems.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight waterproof material\u003c\/li\u003e\n\u003cli\u003eTapered, hoodless design\u003c\/li\u003e\n\u003cli\u003eOptional drawcord closure at the head end\u003c\/li\u003e\n\u003cli\u003eDouble-rolled sewn seams\u003c\/li\u003e\n\u003cli\u003eStuff sack included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Xenon Sil 1.1 in Charcoal Grey\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Lengths:\u003c\/strong\u003e\u003cbr\u003eShort: 72\"\u003cbr\u003eRegular: 78\"\u003cbr\u003eLong: 84\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHead-End Width:\u003c\/strong\u003e\u003cbr\u003eStandard: 30\"\u003cbr\u003eWide: 33\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFoot Width:\u003c\/strong\u003e 21\" for both widths.\u003c\/p\u003e\n\u003cp\u003eWidths are measured laid flat. Finished dimensions are approximate.\u003c\/p\u003e\n\n\u003ch4\u003eImportant Information\u003c\/h4\u003e\n\u003cp\u003eThe Frost Guard is intended for use inside a sleeping bag or quilt, typically over a lightweight base layer. It does not provide insulation or add a temperature rating to your sleep system.\u003c\/p\u003e\n\u003cp\u003eAs with any vapor barrier system, moisture and condensation may accumulate inside the liner during use.\u003c\/p\u003e\n\u003cp\u003eAlthough the fabric is waterproof, seams are sewn but not sealed. The finished liner is not completely waterproof or airtight and is not intended for use as a waterproof bivy or emergency shelter.\u003c\/p\u003e","brand":"Simply Light Designs","offers":[{"title":"Short \/ Standard \/ No","offer_id":52883471827224,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Short \/ Standard \/ Yes(+$5)","offer_id":52883471859992,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Short \/ Wide \/ No","offer_id":52883471892760,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Short \/ Wide \/ Yes(+$5)","offer_id":52883471925528,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Regular \/ Standard \/ No","offer_id":52883471958296,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Regular \/ Standard \/ Yes(+$5)","offer_id":52883471991064,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Regular \/ Wide \/ No","offer_id":52883472023832,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Regular \/ Wide \/ Yes(+$5)","offer_id":52883472056600,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Long \/ Standard \/ No","offer_id":52883472089368,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Long \/ Standard \/ Yes(+$5)","offer_id":52883472122136,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Long \/ Wide \/ No","offer_id":52883472154904,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true},{"title":"Long \/ Wide \/ Yes(+$5)","offer_id":52883472187672,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/5857\/7219\/files\/84BE61A7-E88F-4CC2-83F1-5F6D9F40E467.png?v=1791945321","url":"https:\/\/simplylightdesigns.com\/products\/frost-guard-vbl-vapor-barrier-liner","provider":"Simply Light Designs","version":"1.0","type":"link"}