NIKE BREATHE PERFORMANCE. BLUES PRIDE. The Nike Dri-FIT Breathe Chelsea FC Shorts offer authentic team details and Nike Breathe fabric to help keep you dry, cool and ready to play with pride. Nike Breathe fabric helps you stay dry and cool. Blues crest and colours show your team pride. Elastic waistband with drawcord secures the fit. Slim fit follows your body's shape without limiting motion.