He was wearing a light denim jacket.

他被发现时身穿轻便的牛仔外套。

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Denim is cotton dyed indigo blue color of the warp and weft, using three-down twill weave woven right in general can be divided into light, medium and heavy categories.

牛仔布是以纯棉靛兰染色的经纱与本色的纬纱，采用三上一下的右斜纹组织交织而成，一般可分为轻型、中型和重型三类。

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The interplay of light, both natural and synthetic, hitting the surface creates an exciting direction for denim to take on board.

无论是天然纤维还是合成纤维都能利用光的相互作用照射至表面，从而产生了这一另人激动的牛仔面料趋势。

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We also showcased several innovations from the intersection of fashion and technology -- a light-up Twitter dress, a pair of "Social Denim" jeans that let you update your Facebook status on the fly and a brilliant "Rocking Knit" chair that uses kinetic energy generated from the chair's gliding motion to knit a winter hat while you sit.

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