GORE-TEX Infiniumâ„¢ stretch fleece with DWR coatingPolyester/spandex backpanel for a comfortable, stretch fitTPU coated laser cut breathing holes FABRIC TECH: Front: GORE-TEX lnfiniumâ„¢ windproof stretch fleece; Rear Stretch Panel: 92% Polyester/8% Spandex; TPU Coated Laser Cut Breathing Holes ITEM #: