Wunder Train Longline Bra
Medium Support, C/D Cup
Size: 6 (XS with Lululemon"s Size Guide)
Color: Pink Peony

From Lululemon"s website:
Designed for Training. Powered by highly breathable Everlux, our fastest drying fabric, this bra combines support and coverage so you can breeze through hot, sweaty workouts.

Everlux if my personal favorite fabric from Lululemon.

Features:
- Breathable, Quick-drying, sweat-wicking
- Feels cool and sleek on the inside, soft and brushed on the outside
- Intended for medium-impact activities
- High neck for added coverage
- Pockets for optional, removable cups