Patagonia P.E.F. Windproof Fleece Vest Gray Black Made in USA Size M

Classic vintage Patagonia fleece vest with P.E.F. (Performance Enhancing Film) windproof barrier, made in the USA — a rare and highly sought-after detail for collectors and outdoor gear fans. This piece features a soft 100% polyester fleece shell with a breathable wind-blocking membrane layer, a full-zip front, stand collar, and a secure zip pocket on the back. Perfect as a mid-layer for hiking, climbing, camping, or everyday wear. • Brand: Patagonia • Size: Men’s Medium • Color: Gray with black back panel • Material: 100% polyester shell & lining with PTFE membrane • Made in USA (rare vintage) • P.E.F. technology: wind-resistant yet breathable • Back zip pocket for essentials 📏 Approx. measurements: • Pit to pit: 20.5” • Length: 24” Condition: Gently worn vintage condition. Some light wear consistent with age (see photos) but overall excellent quality and structure.