The Only Base Layer You Need for Exceptional Performance Experience the epitome of comfort and performance with the revolutionary Merino Wool Base Layer Hoody by Vertx. Our cutting-edge fabric blend combines the finest Merino Wool with durable Nylon and groundbreaking GM ReRapt™ technology, all enhanced by the unrivaled comfort and microclimate control of 37.5® Technology. Designed to keep you feeling fresh, dry, and confident all day long. With its anti-itch properties, exceptional breathability, wrinkle resistance, and moisture management capabilities, you'll experience a level of comfort you never thought possible. But that's not all - our base layer takes performance to new heights with its 5x quick drying capabilities and added durability.