Related to fashion retail
- Virtual fitting rooms (i.e. one Topshop store in Russia)
- AR (augmented reality) apps for tables and smartphones that let you "try" clothes
- Virtual lookbooks (i.e. Looklet)
- Clothes swaping using Netflix-like models (i.e. thredUP)

- Fashion sold through subscription models
Related to designers
- Dresses made of laser-cut paper (i.e. Jum Nakao)
- Crowfunding for designers (i.e. Catwalk Genius)
- Using grannies to design your own knitwear (i.e. Grannies Inc)

- User-generated fashion (i.e. Continuum's computational couture)
Related to clothes
- Energy saving clothes (i.e. Ralph Lauren backpacks)
- Cooler clothes (i.e. Jockey's bikinis let you stay 3°C cooler)
- Electromagnetic radiation protective clothes for babies B)
- Friendly fashion for cancer patients (i.e. Jillies)
- Playable music clothing (i.e. mp3blue)

- Hoodies integrated with headphones
- Colour-changing clothes depending on your mood, surroundings

- Invisible clothing (i.e. US Army "invisible" suit)
- Wearable electronic clothes for biofeedback (i.e. E-39 compression shirts)
- GPS built in clothes (i.e. for mountain explorers)
- Health-monitoring garments (i.e. e-fibers)
Related to manufacturing or production
- Clothes being able be tracked all the value chain for consumer transparency purposes
- Crowdsourced designed garments (i.e. Exuve, Threadless, Ryz)
- Sewing cafes (
sew while you sip your cappuccino 
)
Related to fashion beauty
- Photographic cameras that take "beautiful" pictures of you (i.e. Panasonic Lumix DMC-FP7).
Related to fashion magazine
- Digital only fashion magazines for tables and smartphones (i.e. Post magazine)
- Real live magazine (i.e. The Live Issue by Burkes)
And as
Tarden said
don't forget about nanos!
- Nanotube textiles for creating bullet-proof clothing

- Nano-lamp textiles that can help your t-shirt emit light