S3 safety lace up boots made of cow leather durable leather work boots shaft made of full grain hydrophobic cowhide crazy horse ergonomically shaped padded textile cuff stitched padded textile tongue quick snap eyelet closures removable anatomical insole inner lining made of multi layers breathable textile plastic cap and penetration proof fabric interlayer sbx heel stabilizer made of tpu material antistatic oil and acid resistant slip resistant 2 layer pur sole width 11