Fisherman Longline Rib Cardigan Simply Be Rib Long Sleeved Cardigan Oyster cardigan with ribbing maurices navy Cardigan, Fashion, Rib Pure Collection Crew Neck Cashmere Cardigan, Soft Oyster Wavelength Long Sleeve Rib Knit Cardigan Ecru Seafolly United Kingdom. Designed for warmth and flexibility, the Rib Cardigan features rib knit detailing and a high collar for a secure, comfortable fit. Made for comfort and ease of movement, it works as a versatile layering piece, providing functional warmth on and off the course.