PROBLEM TO BE SOLVED: To improve the fitting property of a strap for a diving face mask to the head section of a wearer.;SOLUTION: In the strap 15 for the diving face mask, an upper branched section 20 and a lower branched section 21 form an annular section 18 which is located in the central zone of the strap 15. The peripheral length of the upper branched section 20 is made larger than the peripheral length of the lower branched section 21, and preferably, side zones 22 and 23 which divide the strap 15 into two to the right and the left are tilted to the lower branched section 21 side.;COPYRIGHT: (C)2006,JPO&NCIPI
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