Bikewa Women'S 4D Padded Bike Underwear Cycling Bicycle Shorts Biking Riding Fabric type Fabric type 80% Nylon, 20% Spandex 80% Nylon, 20% Spandex Care instructions Care instructions Machine Wash Machine Wash Breathable Stretchy: The ultra-thin, lightweight, stretchy fabric enhances breathability and moisture-wicking capabilities, ensuring a snug fit that feels like a second skin. 4D Gel Padding: With multi-density chamois inserts that conforms to the shape of sit bones, providing maximum comfort and reducing pressure and friction during long rides. All Year Wearing: This gel padded biking underwear perfectly work under leggings, shorts, skirts, capri and pants, all regular clothes can be turned into bicycle wear and suitable for all year. Flatlock Stitching Elastic Waistband: Flatlock stitching reduces friction and chafing, leading to increased biking comfort, while the elastic waistband provides a secure yet comfortable fit. Multi-Functions: These versatile padded cycling underwear are not only just for spinning class but also good for road bike, mountain biking and other outdoor activities.