Review: Minus33 1/4 Zip Woolverino

The Minus33 Women's 1/4 Zip Woolverino is a remarkably versatile piece that delivers lightweight warmth, excellent breathability, and year-round performance. Designed as a base layer, it excels in high-output outdoor activities, yet it's stylish and comfortable enough for everyday wear. Made from microweight Merino wool—Minus33's lightest and most breathable fabric—this shirt provides warmth without overheating, making it perfect for everything from late-fall runs to cool summer mornings. The natural temperature-regulating and odor-resistant properties of Merino wool keep you dry, fresh, and comfortable even when conditions change, while the fabric's fast-drying nature makes it ideal for travel or multi-day use.

Lightweight and packable, the Woolverino easily stuffs into a backpack, making it a dependable travel companion. It's soft, stretchy, and non-irritating, with just enough give to layer over a tank or tee, yet it fits comfortably under a shell. Whether you're seeking sun protection in warm weather, a breathable base for winter layering, or a go-to mid-layer for unpredictable conditions, this 1/4 zip delivers. The Minus33 Microweight Woolverino proves that a single garment can be light, comfortable, warm, and stylish—a true four-season staple for active lifestyles.

Available at minus33.com; $95.