Orangetheory Fitness Houston will open its second Sugar Land location Dec. 14 at 5 a.m. at 18841 University Blvd., Ste. 420, in The Village at Riverstone shopping center anchored by Kroger. [caption id="attachment_365510" align="alignleft" width="1500"] Orangetheory Fitness' new Riverstone location opens Dec. 14.[/caption] Orangetheory Fitness is a high-intensity, interval-training, heart rate-based workout. The 3,200-square-foot studio at Riverstone will feature 14 treadmills, rowers and strength floor stations. Pre-sales, the opportunity to sign up for a membership before doors open, are available until Dec. 13, according to the company. This newest OTF studio will be the 19th studio in the Houston area.