Ships from Hong Kong.The breathable neoprene knee support features special Shockproof cellular design in the patella area.Stay protected with less bulk with the New Ace low-profile kneepad from Asics. Shockproof cellular design will be better to protect your knees and legs. Standard protection against bumps, bruises and abrasions Machine washable. Breathable neoprene material retains heat and speeds up recovery period. Effectively relieves post-operative knee pain, strains, and arthritis. Size 37 to 42 cm perimeter; Length: 40 cm.