NWT Lululemon Wunder Under Pant Hi-Rise Tech Mesh 31 Inseam. This special edition of your favourite Wunder Under Pant has Mesh fabric panels for ventilation. A tight-knit version of our Luon® fabric, sweat-wicking Full-On® Luon is four-way stretch with a cottony-soft feel. Incredible support and coverage. Added Lycra® fibre for stretch and shape retention. Keeps you feeling covered and secure. Engineered to feel like a comfortable embrace throughout-it holds you close and moves with you. Stash your essentials in the hidden pocket.