Boots Under Armour HOVR Phantom 2 CG Reactor-GRY. Lightweight, flowable upper made of textile and synthetic material with special panels for increased protection and durability.HOVR technology ™ a 'zero gravity feeling' - returning the energy absorbed to eliminate immaculed impacts.Compression, perforated Energy Web with HOVR foam material™ returns the inserted energy.Reactor's intelligent insulation adapts to your pace - it warms up when you slow down and cool down when you need a hard time.External heel reinforcement for better stability.The formed EVA insole adapts to your foot, eliminates slippage and provides perfect comfort inside the shoe.Durable but lightweight solid rubber outsole ensures better durability in the most stressed parts.Carbon rubber panels under the heel ensure better traction and resistance in impact zones when treading.Offset: 8 mm.Weight: 327 g.