The quintessential alpine mid layer, the Black Diamond CoEffecient Jacket is prepared to add insulation to your shell, or stand alone on warmer days. While its slim fit allows for easy layering, the Polartec Power Dry high efficiency fleece keeps this piece warm, breathable and quick drying.This product will be shipped directly from Black Diamond and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. . Polartec Power Dry high efficiency fleece is warm and wicking. Trim cut allows it to be layered easily. Full length front zipper. Soft collar lining made of brushed microsuede. Zippered chest pocket. Stretch cuffs.