The Xpert™ Invincible Safety Rigger Boot is a seriously tough boot, with a host of clever design features that makes it stand apart from any other Rigger. The side puller straps are specially designed to lie flat, reducing the risk of snagging. Now with a waterproof lining, you can be assured of dry feet in all weather. Steel Toecap and steel anti-penetration midsole. TPU ankle support, COMFORT X™ Shock absorbing PU insole, and GRIP X™ 4.0 Dual density PU/PU hardwearing outsole. S3 safety rated for complete protection.