1. The first generation is where a sensor is attached to apparel and is the approach currently taken by major sportswear brands such as Adidas, Nike and Under Armour.
2. Second generation products embed the sensor in the garment as demonstrated by products from Samsung, Alphabet, Ralph Lauren and Flex.
3. In the third generation wearables the garment is the sensor and a growing number of companies including AdvanPro, Tamicare and BeBop sensors are making rapid progress in creating pressure, strain and temperature sensors.