Speedo Women's PowerFLEX Eco UPF 50+ Long Sleeve Zip-Front Rashguard Lycra,Nylon Imported 78% Econyl(Recycled Nylon)/22% Lycra XTRA LIFE fiber Imported Speedos PowerFLEX Eco fabric is made with 78% Econyl, a nylon fabric of 100% regenerated nylon from pre and post consumer waste Retains its shape up to 10X longer than traditional swimwear fabrics Offers 4X the compression of standard fabrics 30% more resistant to fiber breakage in chlorine compared to PowerFLEX Good for the environment, even better for swimmers