4 mm neoprene provides comfort and flexibility along with excellent waterproofing shock absorption and heat retention properties adjusts to the shape of your feet to resist blisters and chafing Breathable Airmesh lining wicks away humidity and perspiration and allows air to travel throughout the boot while keeping water out comfort rated from subfreezing to 65 F18 C Shockabsorbing insole for comfortable extended wear womens last is specially designed to support the female foot high traction outsole is selfcleaning for added stability on slick surfaces RHS Royal Horticultural Society endorsed the only gardening footwear endorsed by the Royal Horticultural Society Highgrade rubber exterior provides extra toughness and makes for a 100 waterproof garden shoe rear pull loop for easy onoff Measurements based on a size 8 variations may occur across sizes