The new Hydrogrip Grinder insulated deck boot from Frogg Toggs is the evolution of performance fishing footwear. Elevating comfort, performance, support, grip, and durability, the Hydrogrip Grinder is the deck boot the world has been waiting for. This all-new boot features an exclusive non-marking and hard-gripping Hydrogrip outsole, a supportive, athletic midsole that improves stance and reduces fatigue from long days on the water, is fully neoprene lined for comfort and warmth, a slop-free athletic fit for more stability on uneven surfaces and rough seas, and the 100% waterproof performance you expect from Frogg Toggs.