Fred Perry ST4177 102 Tonal Tape Black Sweat Pants. Elevate your look with these sleek Fred Perry sweat pants. The loopback fabric is both incredibly comfortable and lightweight. Enjoy a stylish look perfect for any activity, while the adjustable tiecord waistband will keep you comfortable all day long. Make a bold statement that never compromises on quality.. 2 Side Pockets, Fred Perry Black Pants, 54% Polyester, 46% Cotton. Drawstring Waistband, Elasticated Waist and Cuffed Leg. Fred Perry Logo On Back Left Pocket, Taped Legs. Style Code: ST4177 102