DESCRIPTION. Erik is the new Swedish model, which is part of the easy fit collection and incorporates our exclusive Health Tech System technology. This system integrates ergonomic design and latest generation breathable materials in order to achieve a shoe that improves the health and well-being of those who seek comfort in their daily lives. SPECIFICATIONS Microfibre fabric with perforations that allow foot breathability and keep it dry. CoolTech lining, a soft technical fabric for quick moisture removal Air System Honeycomb removable insole with ventilation holes that will not deform and distribute the pressure from the tread to the entire sole of the foot. Ultra-light X-Cell sole, EVA based and SRC non-slip rubber that absorbs shock and dampens every footstep, providing a feeling of relief to feet, knees and back. Tongue for easy fit 5 elastic system for easy adjustment Composition. Outer material: microfibre (pu) Lining: Coolmaxde polyester Insole: EVA (ethylene-vinyl acetate); Coolmax polyester lining Sole: EVA (ethylene-vinyl acetate); NBR (Nitrile Butadiene) (rubber).