Only Spacer fabric have air cushion effect. Not all the spacer fabrics are the same. Most of spacer fabric in the market do not have enough compression. Irufa have developed a series medical grade compression Spacer fabric and Braces. Spacer Fabric have much more breathable and moisture wicking than Neoprene or PU foam. Not like most of tubular knitted fabric have the latex content and allergy problem. Spacer fabric is latex free and hypo-allergenic. Elastic spacer fabric is much more expensive and comfortable than non-elastic spacer fabric. We choice elastic spacer fabric to meet the customer's need. The criteria to judge a good material for sporting & Medical braces are elastic, enough compression, comfortable, breathable, durable, no allergy, easy care, and additional added on functions. Our patented pacer Fabric can meet all these criteria and should be one of the best material for the sporting & Medical Braces Irufa patented Spacer Brace is 3D breathable, compression and support to treat pain and chronic problem. The Braces is adjustable, easy use, comfortable and effective. Irufa's patented material are neoprene free and latex free, so you don't have to worry about skin irritations.