Heavy duty work on the farm is always a challenge, but the durable construction of the Bogs workman mid boot will keep the mud and rain at bay so you can perform at your best. Natural rubber upper laid over a four-way stretch bootie with 7. 5mm neo-tech waterproof insulation. 100% waterproof. Seamless construction is 30% lighter and more durable, allowing for less foot fatigue and more comfort. Rebound technology in midsole provides lasting comfort.