- Women's vermilion red wool knit sweater - High collar, long sleeves, dropped armholes - Stud decoration on armhole cut-outs - 1x1 ribbing on collar, sleeves and bust - Straight cut - IKKS #actforbetter: material contains 100% recycled wool Bringing vermilion red into your dressing room is the rock idea of the season. Try this 100% recycled wool sweater, featuring a stand-up collar, long sleeves and dropped armholes decorated with studs on the armhole cut-outs.