This item, 4007K Marmot Optima Gore-Tex® PacLite® Pants - Waterproof (For Women) , is Marmot number 3502.
The Marmot Minimalist Gore-Tex® PacLite® Pants - Waterproof (For Women), item 6786H, is Marmot number 94330
I do not know as I am not familiar with the pants you're asking about comparing these pants type. They are heavier than my marmot minimalist jacket. That move equally well – no stiffness. I love the way they fit, very flattering yet slide easily over another pair of pants or shorts