By Paul Tolme
The odd ingredients appearing on the labels of ecofriendly fitness apparel—from corn to soy and coconuts—may cause consumers to wonder whether they should wear or eat their shirt. What can these products do for the environment? The Base3 Long Sleeve Zip, a thermal top made for cold-weather exercise, contains 92 percent Ingeo, a corn-based fiber. Supporters say it can be composted when worn out, though corn farming’s intensive water use takes away a kernel of sweetness ($98; nau.com). Marmot’s Midweight Long Sleeve Zip for women contains Cocona, a fiber made from coconut shells. The fabric traps odors, and it uses a waste product of the coconut-growing industry ($49.95; marmot .com). Recent media reports have questioned whether the Vitasea fabric from Lululemon Athletica (lululemon .com) really contains seaweed, but the company stands by its products. Before buying any newfangled shirt, remember: the most ecofriendly garments are the ones you already own.
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