661 exo ss jacket ii component of the highly adaptable exo seriesfeatures light weight impact foam perforated for ventilation blood flow and muscle recovery with compression fit core cooling with ventilated construction easy to put on with full zip front polyester 30 nylon 50 eva 20caremacine wash cold gentle 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 store