The Warp Pant features a cozy, slightly slimmed fit with 2-way stretch fabric for added warmth and comfort during the coldest time of the year. Weve built the Warp Pant with HydroBlock Sport 10k/10k waterproof/breathable fabric, to keep slush at bay and provide comfort-first breathability in the snow. The Warp Pant is available in a variety of fun patterns, to keep your kids loving the way they look. With double-layer reinforced construction and the I-Grow™ Extended Wear System, the Warp Pant is sure to be your familys winter staple for years to come.