lululemon Tight Stuff Reflective legging UK12 US8 green. Tight Stuff Tight*Reflective 1. These tight-fitting tights give you locked-and-loaded support on all of your training runs 2. Full-On® Luxtreme fabric is sweat-wicking and four-way stretch with a cool, smooth feel 3. Added LYCRA@ fibre ensures great shape retention 4. 360° reflective detailing helps you shine bright in low light 5. Secure pockets on the waistband and back 6. Compressive waistband helps pants stay in place 7. High rise 8. Tight Sensation