You can work out in style and contribute to preserving mother earth. When it comes to organic fashion, athletic gear from A4 is environmentally sound, too. The leading athletic wear company recently launched Kristiina by A4 (named after its designer, Kristiina Ratia), a completely organic line of sustainable activewear. The natural line of t-shirts, tank tops, pants and shorts features soft fabrics made from certified organic cotton, grown without the use of herbicides and pesticides. All dyes used are also earth-friendly.

$15-$50 at select sporting goods stores

Shop for other natural fitness gear.

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