MEMBRANE 15 Ripstop Polyester Membrane LS07 is a laminate fabric

LS07 is a laminate fabric comprised of the following layers:

3 oz Ventek 30 WPB

but some spots may still say "34L"

Proven – While countless fabrics have come and gone

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MEMBRANE 15 Ripstop Polyester Membrane LS07 is a laminate fabricOur ultralight 15 denier ripstop polyesterMEMBRANE 15 Like other fabrics in the MEMBRANE line, M15 RS combines breathability, wind water resistance, and exceptional downproofing with thesoftest hand feel on the market. To make MEMBRANE 15, we start with a custom woven, high thread count polyester base material. Then we add a micro gridripstop for improved abrasion and tear resistance. Combined with a DWR (Durable Water Repellent) coating, the result