NIKE SB Sunday Dri-Fit Short - Men's Black Heather/Light Retro The SB Sunday Dri-Fit shorts from Nike SB have a polyester mesh construction that breathes easy to keep you ventilated and an elastic waist with interior drawcord to stay snug. Dri-FIT technology wicks sweat off of the skin  keeping you comfortable on and off your board. Woven drawcord and woven labels. 100% polyester. Imported.