The Marmot Reactor Vest is a lightweight, breathable fleece layer designed for outdoor adventures. Its Polartec microfleece fabric offers plush warmth without restricting movement, perfect for a cozy mid-layer or stand-alone piece.

Head out for a hike on crisp mornings, throwing the vest on over a base layer for added insulation. Or layer it under a shell jacket on chilly summit pushes for versatile temperature regulation. With its athletic fit and wind-resistant properties, the Reactor Vest is ready to tackle any trail.

• Material: Polartec Classic 100 microfleece for warmth and breathability
• Design: Flatlock seam construction for smooth layering
• Features: Zippered hand and chest pockets, wind flap behind zipper
• Fit: Athletic cut with adjustable drawcord hem
• Versatility: Wear alone or as a mid-layer for year-round use
• Packability: Lightweight and easily packable for travel