BoomLaces "Laces With Power" for Men Women & Kids poly-rayon/nylon/rubber/plastic No tie shoe lace lock lacing system, perfect for everyone, durable and simple installation. BOOMLACES elastic shoelaces are 42" in length, stretching up to 70". One size fits all lace lock closure No tie shoelaces provide comfort and support. Improve performance with foot compression. Lace locks give a secure custom fit, allowing elastic laces to eliminate pressure points. Tighten or loosen the laces lock to create the custom fit for your foot compression preference. Convenience. Putting on shoes couldn't be easier or faster. Slip on/Slip off, quick,fast & easy. For all lace up shoes with shoe strings, sneakers, work boots, etc. Fits most shoe styles and sizes. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!