UA HOVR technology provides a 'zero gravity sensation' - it returns the energy absorbed in eliminating impact on a treadmint.Solid EVA backrest with soft UA HOVR foam material for maximum comfort and performance.The lightweight, aeration-resistant mesh upper with 3D printing is perfectly durable and airy for any activity.Stretch design for easy putting/e-casting.External strap for a firmer foot lock in the correct position.UA Tribase technology maximizes contact with the surface, promotes natural movement and provides posture flexibility when strengthening.Fully rubber outsole for better traction in all directions and durability. Material: syntheses, textiles, rubber