Low temperature retraction characteristics were investigated on the cured natural rubber with various ratios of crosslinking agents, filler and additives. The cured natural rubber product was elongated about 200% at -40℃ for 24 hours and then retracted. In a definite range, the retraction was increased as the sulfur to accelerator ratio increased and as the filler contents decreased. The retraction was maximum for a definite range of amount of accelerators, plasticizer and activator. Adding some peroxide additively retraction characteristics improved and curing time got longer.