Quoting Martha Graham in his program notes, Richard Chai alluded to an old dictum, time is of the essence, a phrase that took on multiple meanings in his spring collection. The most obvious was in the decade it referenced, the ’90s, complete with languid silhouettes, flared culottes, palazzo pants and sporty separates. Paired with muted-hued, silk and taffeta bandeaus, or slouchy nude nylon leggings, the pieces suggested a minimalist, urban nomad with a gym membership.