This fleece crew is a versatile midlayer option suitable for various activities and output levels. It boasts an innovative hollow-core fiber construction that offers excellent warmth for its lightweight design. Additionally, the durable and breathable fabric features Phasic AR II panels under the arms for added stretch and moisture-wicking properties. The sleek outer surface increases durability, while the ergonomic design allows for freedom of movement and easy layering under a shell. Whether at camp or in motion, the Delta is the perfect standalone warming layer.