märkäpukujen

Märkäpuku, commonly known as a wetsuit, is a garment, usually made of foamed neoprene, which is worn by surfers, divers, windsurfers, kayakers, and others engaging in water sports, providing thermal insulation, abrasion resistance and buoyancy. The name "wetsuit" is a bit of a misnomer. A wetsuit is designed to trap a thin layer of water between the suit and the wearer's skin. This water is then warmed by body heat, creating an insulating barrier. The effectiveness of the wetsuit depends on this trapped water layer.

Wetsuits come in various thicknesses, measured in millimeters, to suit different water temperatures and activity levels. Thicker wetsuits offer more insulation but can restrict movement. Common thicknesses range from 2mm for warmer waters to 7mm or more for very cold conditions. The design also varies, including full suits that cover the entire body, shorties that cover the torso and upper legs, and spring suits with shorter arms and legs.

The material, foamed neoprene, contains tiny gas bubbles that provide insulation and buoyancy. The outer surface of a wetsuit can be smooth or coated with fabric like nylon or lycra, which enhances durability and ease of donning and doffing. Proper fit is crucial for a wetsuit to function effectively. It should be snug but not uncomfortably tight, allowing for a good range of motion while minimizing water flushing, which can compromise insulation.