the world > textiles and clothing > clothing > types or styles of clothing > [adjective] > for specific purpose > informal wear > informal or sports wear (6)
Of clothing: (originally) fashionable in a manner associated with a sporting lifestyle (cf. sporting, adj. 1a); flashy, rakish; (now chiefly)…
Of clothes: suitable for sporting or informal wear, sporty. Cf. sportif, adj.
= sporty, adj. (in various senses); esp. athletic, fit.