The Rock Fall Shale high leg safety boots feature lace-up and side zip fastening. They are highly robust and cold-insulating, developed with specialist durability materials including FORCE10 components and IMPACT SHIELD for protection when digging, along with a TPU ankle guard. These boots offer a protective steel toecap and stainless steel anti-penetration midsole. The Buffalo black full grain leather provides a durable scuff cap, and the FORCE10 solid nitrile rubber outsole is constructed for extreme durability. They include a No. 8 YKK quick-release extreme side zip. Manufactured to exceed EN ISO 20345:2011 S3 HI CI HRO SRC standards. The boots also have a water-repellent full grain black leather upper and a moisture-wicking breathable mesh fabric lining. The anti-fatigue EVA footbed includes an IMPACT SHIELD™ shock-reducing internal digging plate.