I haven't owned any Lululemon Align but I did own a few pairs of so called Align dupes from different brands and products. Here's my thought and hope it will be helpful for you to choose a right pants for workout.
1. Colorfulkoala Brushed Buttery Soft (S/Black)
The fabric is soft, matte, normal thickness and more cotton feel than the others. The high rise is normal length just on the waist without digging. And it is good for running and training because of good sweat wicking, no stickiness. It is stretchy but no compression at all so It won't hide any bumps and hold up any muscles to give you some supports. Plus it looses its shape after a few wears and washes.
2. CRZ YOGA Naked Feeling 7/8 (XXS/Black)
The fabric is soft, normal thickness, shiner and no brushed feeling (more like silky) than the others. The high rise is too high up to my ribcage but no digging. It is stretchy with just a little bit compression but it won't loose the shape after wears and washes. The sweat wicking is just so so it won't stick but I could feel the sweat patches (good sweat wicking fabric will spread out the sweat to make it evaporate faster)
3. HeyNuts Athletic Essential II 7/8 (XS/Black)
The fabric apparently is thicker than the others, soft, matte and really brushed feelings. The high rise is normal. Because of the thicker fabric it gives you support just like Nike Yoga Luxe leggings (Nike has thinner fabric) but makes you legs look bulkier at the same time. And the brushed finishing has more friction so it won't glide on your skin while doing squat/large movement. I haven't run or trained with this leggings yet so I can't give you ant thoughts about sweat wicking.
4. CRZ YOGA Brushed Naked Feeling 7/8 (XXS/Black)
The fabric is thinner, soft, matte and buttery feeling. The brushed feeling is less than the HeyNuts but is definitely better than CRZ Yoga Naked collection. The high rise is normal. Although it is brushed it doesn't give you the friction enough you can feel the fabric gliding on your skins while moving. The supportive is normal but I think it won't loose after wears and washes. I haven't run or trained with this leggings yet so I can't give you ant thoughts about sweat wicking.
*** Update from 4/4/2022***
5. CRZ YOGA Butterluxe Leggings 7/8 (XXS/Black)
I know that CRZ YOGA Butterluxe leggings is a hype right now so I decided to have a try. The fabric is thin (slightly thicker than the CRZ YOGA Brushed Naked but thinner than the HeyNuts), soft, matte and buttery feelings. The brushed feeling is slightly less than the HeyNuts but a little bit more than the CRZ YOGA Brushed Naked. The fabric will not glide on your skins while moving. The high rise is normal. The supportive is normal. I haven't do the sweat and wash test. But for the feeling of fabrics, I would say this is the most satisficed one so far and the quality is comparable with some main brands.
All the above leggings are too long that I am only 5 feet FYI.
Supportive:
HeyNuts > CRZ YOGA Butterluxe = CRZ YOGA Brushed Naked > CRZ YOGA Naked Feeling >> Colorfulkoala
Fabric reflectiveness:
CRZ YOGA Naked Feeling >> CRZ YOGA Butterluxe = CRZ YOGA Brushed Naked > HeyNuts > Colorfulkoala
Fabric thickness:
HeyNuts > Colorfulkoala > CRZ YOGA Naked Feeling > CRZ YOGA Butterluxe > CRZ YOGA Brushed Naked
Friction on the skin:
HeyNuts > CRZ YOGA Butterluxe > Colorfulkoala > CRZ YOGA Naked Feeling > CRZ YOGA Brushed Naked
Fabric feeling:
HeyNuts: soft brushed but not buttery due to the fabric thickness
CRZ YOGA Butterluxe: buttery soft brushed but will not glide while moving
CRZ YOGA Brushed Naked: buttery soft brushed but will glide while moving
CRZ YOGA Naked Feeling: silky
Colorfulkoala: cotton-ish
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