We love the O'Neill Psycho Tech boot and it's been tried and tested by our team. The boot is extremely warm but retains its flexibility and so gives a great feeling on the board. The heel pull makes it easy to pull on and off and the strap over the arch secures it in place. Who is it for: This is a great choice for all watersports if you are looking for a premium boot that offers excellent warmth and comfort. Features: 5mm neoprene TB3 & TB3X Taped Internal seams Fluid Seam Weld Exterior Arch Strap Heel Pull Round Toe Washing instruction: Rinse with cool water and drip dry out of direct sunlight