Create a smoother silhouette in the often challenging upper arm area while capturing body heat for more effective workouts. Sweat Shaper Arm Trimmers combines an exclusive blend of performance compression and polymer fabrics that work together to accelerate your natural body heat and create an intense sauna-like experience. Built to improve recovery and prevent muscle strain, our Arm Trimmers hug your biceps and triceps to create 360 degrees of compression, support, and sweat induction. Lightweight and comfortable, this accessory allows for a full range of motion during workouts, cardio, and daily activities. Color: Black Sold as a pair. Fit: This garment fits true to size. Tight fit for a arm-shaping feeling.  Model: Model is wearing a size Medium and is 5’4” (163 cm). Material Breakdown: Outer: 92% Polyester, 8% Spandex. Inner: 100% Polyurethane