（1）為(wèi)國(guó)際雪(xuě)橇聯合會(huì)指定産品；

                                                                                                （2）鞋底硬質光(guāng)滑；

                                                                                                （3）有(yǒu)很(hěn)強的(de)抗風(fēng)阻性