If you can have just one mid-layer, the Haglofs Bungy Jacket Women should be one to consider. Haglofs most durable and stretchy mid-layer is made from light Polartec® PowerStretch® Pro™ for excellent wicking and warmth. A great value fleece you'll never have off :)

FEATURES

• Polartec® PowerStretch® Pro™ provides excellent warmth-to-weight ratio with enhanced wicking capabilities
• Soft fabric for next-to-skin comfort, and a smooth outer face for layering
• Highly stretchy fabric throughout for maximum freedom of movement
• No shoulder seams, avoiding chafing and enhancing durability
• Two mid-mounted zippered hand-warmer pockets to keep and protect your items
• Flatlock seams in key areas reduce bulk and minimize chafing
• Articulated sleeves for optimized fit and movement