EUC Lululemon Hill and Valley Mock Neck Size 8 White No Flaws Head for the hills in this slim-fitting top, designed with a mock neck to provide added warmth. Made of buttery-soft and naturally breathable Rulu™ fabric, it wicks sweat so you don’t feel overheated when you’re braving the cold. We added reflective details for improved low-light visibility and a zippered pocket so you can keep your essentials close at hand. Ready, set, run! Rulu™ Stretchy, naturally breathable Rulu™ fabric is sweat-wicking and buttery soft four-way stretch sweat-wicking buttery-soft handfeel naturally breathable