Wardrobe feeling sluggish? Bright colorblocking on nylon & neoprene will add that boost of energy. You'll feel an instant lightness to your step in these sporty styles.

Clockwise from left: Marni Spring '11 (Catwalking / Getty Images), Proenza Schouler top, King Snaps caribiners, Ohne Titel dress, Isabel Marant sneakers, Marni skirt, Roxy bag