Castelli Flanders Warm/Neck Warmer Base Layer Small GrayCastelli Flanders Warm/Neck Warmer Base Layer is the warmest base layer of the Castelli family with essentially a built-in neck warmer. The neck warmer can be pulled over your face on those brutally cold days and the ScottZero multi-denier 100% polyester fleece fabric provides added warmth. The flat-locking stitching and mesh armpit insert add to a stylish look. Lightweight and warm, the Castelli Flanders Warm/Neck Warmer Base Layer is your winter base layer.8055688695422