Thickstrapped ONeck This product has 95 Cotton and 5 Elastane. Zerocollar sleeveless undershirt offers a healthy wearing comfort with its cotton structure. Its seams do not disturb you. It is flexible, strong and durable thanks to its elastic structure. Cotton is a natural fiber Made of pure cellulose Cellulose is an organic substance created by synthesis in nature. Elastane is flexible Suitable for longterm use Wraps the body and maintains its shape Care Instructions Wash at maximum 30C Do not tumble dry Do not use bleach