Warm Leggings: Athleta Altitude Tight in Polartec Power Stretch You'll be so happy you bought these Athleta Altitude Tights in Polartec Power Stretch ($98). The material is thick and warm, so you can crush an outdoor workout without worrying about the weather. Image Source: athleta.gap.com Athleta Altitude Tights in Polartec Power Stretch $98 from athleta.gap.com Buy Now