SlimFit Breathable Workout JacketYour go to active layer for training, running, and daily wear. Material: 80% Polyester, 20% Spandex Key Features: Sculpted Slim Fit Stand Up Collar Design Smooth Anti Slip Zipper Four Way Stretch Fabric Breathable and Fresh Lightweight Feel Versatile Summer Jacket Model is 170 cm tall, 52 kg, wearing size M. If you are in between sizes or prefer a more relaxed fit, consider sizing up.