NWT Lululemon Wunder Under Pant (Hi-Rise) Tech Mesh 28. These edgy, special edition Wunder Under tights are made with panels of Mesh fabric for ventilation when your workout heats up. A tight-knit version of our Luon® fabric, sweat-wicking Full-On® Luon is four-way stretch and provides incredible support and coverage. Incredible support and coverage. Hidden pocket : Hidden waistband pocket holds a key. Breathability : Strategically placed Mesh fabric provides ventilation. Hugged sensation : Engineered to feel like a comfortable embrace throughout-it holds you close and moves with you.