The definitive modular liner for Acronym shells, J58-WS is a lightweight, exceedingly comfortable envelope of warmth and well being. The outstanding properties of PrimaLoft insulation and WINDSTOPPER shell make it formidable as both a component piece or a jacket on its own.
PrimaLoft insulation is designed to regulate comfort levels during intense activity while offering uncompromising performance in all conditions. Combined with 2 layer Gore Windstopper, the results are incredibly soft, warm, light, and protective. Effortless and effective.