• Zipper Elastic. • Tecno Calf Tensioner. • Tecno Shin Tensioner. • Ankle support System. • Air Ventilation System. • Tecno Instep Tensioner. • Shock Absorbing Heel Cup. • Replaceable Shin Plate. • Vortice Slider made in nylon reinforced with fibreglass. • Racing SRS Sole (Replaceable). • Gear Change Pad.