box-fresh       
adjective mainly UK (also boxfresh) /ˈbɒksˌfreʃ/ /ˈbɑːksˌfreʃ/
 (通常指衣服)崭新的;一尘不染的
(usually used about clothing) new and not used, or looking clean and fresh and in very good condition 
  They were dressed in fluorescent hoodies and box-fresh sneakers. 他们身穿荧光帽衫和崭新的运动鞋。 
 It bores me when people are determined to keep clothes box-fresh.  人们一心想要保持衣服一尘不染,真是让我生厌。 
 - More examples
 - He was wearing baggy black tracksuit bottoms, white polo top and box-fresh Nike trainers.
 - He was wearing the kind of trainers that would suggest he jogged here, were they not quite so boxfresh.
 - They were an amazing find: box-fresh, early-Fifties Lee jeans.
 - It costs nothing to try out all the new gear, and I've selected a box-fresh combination of boots, binding and board.