A Guide to the Best of Southern California : FASHION : Mood T-Shirts

PRESS your hand on a 1st Degree Sportswear T-shirt and watch the magic happen. The West Los Angeles-based firm has added a new twist to the humble T-shirt: color-changing ink. Many of the designs react, in mood-ring fashion, to fluctuating body or external temperatures by changing colors.

The 100% cotton T-shirts run about $28; the sweat shirts, $43.

1st Degree T-shirts: Fred Segal, 8100 Melrose Ave., Los Angeles, (213) 651-4129; and Flora Luna, 1220 Bison Ave., Newport Beach, (714) 644-6866.