Lululemon pants Fits slim, not tight Our new slim fit is narrower than our classic—it skims the hips and thighs without being constrictive. Dynamic Stretch Four-way stretch fabric retains its shape and doesn't bag out. Warpstreme™ fabric feels smooth—inside and out. It's midweight and great for multiple seasons throughout the year. Materials and Care Pocket lining: 100% Recycled polyester Body: 53% Elastomultiester, 47% Recycled polyester