- Higher quality materials and better wearing comfort., Material: 100 % polyester., Quality Velcro fastening., Built-in reinforcements., Stretch material., Breathable fleece lining., Very comfortable. Motorcycle Kidney Belt Review at Donald Pepper blog Breathable Back Brace For Scooter ATV Fox Racing Kidney Belt SZ Adult Adjustable With Fox Knee Guards S Motorcycle Accessories Dirt Bike & MX Kidney Belts The incorporated mesh material also makes it slightly more air permeable, which reduces sweating on warmer days. The Speeds Basic offers everything a good kidney belt should offer. Quality Velcro fastening, integrated reinforcements on the back, stretch material and a light tile lining for good wearing comfort The professional belt is cut higher on the back and reinforced several times.
