661 evo compression shortblood ow and muscle recovery with compression fitfeaturescomponent of the highly adaptable exo series light weight impact foam perforated for ventilation blood flow and muscle recovery with compression fit core cooling with ventilated constructionnylon 15 polyester 63 eva 20 rubber 2carecold machine washgentle cycle only do not bleach do not spin dry only hang dry do not iron buy 661 body armour from chain reaction cycles the worlds largest online bike stor