Delta GTX S3 - Solid Gear The DELTA GTX is an advanced safety boot with all new techniques in a very classic design. Full grain impregnated TECH leather provides durability. The Vibram rubber sole with its newly developed FLEX-SYSTEM technology ensures that the boot will support your step from heel to toe. High injected PU midsole for maximum comfort and cushioning. GORE-TEX® JAZZ® stretch upper, the first safety footwear brand in the world to launch a boot with JAZZ® stretch technique. With this top layer, Solid Gear can make a completely new top layer for boots. With these new materials we have created a perfect fit and with the new ERGO zones in the shaft, this is something you must experience. TECH leather CORDURA® ripstop GORE-TEX® membrane and insulation Vibram® rubber outsole Metal-free Material: Top: TECH leather and CORDURA® Lining: Waterproof and breathable GORE-TEX® membrane, synthetic wool and JAZZ®strech Outsole: Oil and slip resistant TPU outsole from Vibram® that leaves no streaks Insole: EVA insole with double Poron® pads Cordura: is a very durable and abrasion resistant fabric with an effective property that allows feet to breathe. Vibram®: is an extra durable and robust rubber sole designed for an extremely firm grip on uneven surfaces. It is also heat resistant and can withstand temperatures up to 300 ° C. Gore-Tex®: is a thin, perforated membrane. The pores are 20,000 times smaller than water droplets, but 700 times larger than water molecules. This means that water vapor can go out through the membrane, but the water droplets cannot enter. It is 100% waterproof and has a very effective property that allows feet to breathe Safety standard: EN ISO 20345: 2011 S3, WR, HRO, SRCProtection: Composite sole and fiberglass toecapColor: BlackSKU: SG75001Read more