轻质

xīn xíng de qīng zhì wài ké

新型的轻质外壳

the new light cover

zhěng gè liū bīng xié cǎi yòng qīng zhì cái liào zhì chéng zhòng liàng jiào qīng

整个溜冰鞋采用轻质材料制成，重量较轻。

The entire ice skating shoes are made of light material and have light weight.