lululemon Define Jacket (Nulu) dupes: three slim zip jackets, one in the same fabric blend
Last reviewed 11 October 2026.
Per its retailer listings, lululemon's Define Jacket in Nulu is 81% nylon and 19% Lycra elastane, slim, sitting below the waistband, with thumbholes and Cuffins. CRZ YOGA's Butterluxe jacket lists the same 81/19 nylon-elastane blend. 90 Degree By Reflex's track jacket has thumbholes, and its fabric depends on the colour. PINSPARK's is a polyester-spandex budget option.
The original: lululemon Define Jacket (Nulu)
- Body: 81% nylon, 19% Lycra elastane (Nulu); lining 89% nylon, 11% elastane.
- Skims the body and sits below the waistband; full zip.
- Thumbholes and Cuffins fold-over cuffs; secure front pockets.
- Machine wash cold, tumble dry low.
Source: lululemon Define Jacket Nulu listing at Equinox's shop (lululemon's own page did not load for us), read 11 October 2026.
The 3 lululemon Define Jacket (Nulu) dupes, checked on Amazon
1. CRZ YOGA Butterluxe Jacket, Waist Length
CRZ YOGA Butterluxe Jacket, Waist Length on Amazon ↗ — the link opens Black, Medium. Shipped by Amazon, sold by CRZ YOGA. In stock. 1,044 ratings when we checked.
- The same: The same 81% polyamide (nylon) and 19% Lycra blend, soft and stretchy, slim fit, with zip pockets.
- Different: Waist length, a little shorter than the Define, which sits below the waistband. It also has inner hidden pockets.
- What it does not copy: lululemon's Cuffins fold-over cuffs (the listing does not name them) and the logo.
2. 90 Degree By Reflex Full Zip Running Track Jacket
90 Degree By Reflex Full Zip Running Track Jacket on Amazon ↗ — the link opens Black, Large. Shipped by Amazon, sold by 90 Degree By Reflex. In stock. 4,568 ratings when we checked.
- The same: A slim, lightweight full-zip jacket with thumbholes.
- Different: The fabric depends on the colour: the listing gives polyester-spandex and nylon-spandex blends.
- What it does not copy: The Nulu blend in every colour, the Cuffins and the logo.
3. PINSPARK Women's Slim Fit Full Zip Workout Jacket
PINSPARK Women's Slim Fit Full Zip Workout Jacket on Amazon ↗ — the link opens White, Medium. Shipped by Amazon, sold by PINSPARK. In stock. 1,113 ratings when we checked.
- The same: A slim, fitted full-zip jacket in four-way stretch fabric.
- Different: 80% polyester and 20% spandex, not nylon.
- What it does not copy: The nylon-Lycra hand of Nulu, the Cuffins and the logo.
Material, fit and care, side by side
| Material | Fit and size | Care | |
|---|---|---|---|
| lululemon Define Jacket (Nulu) (original) | 81% nylon, 19% Lycra elastane | Slim; sits below the waistband | Machine wash cold, tumble dry low (Equinox listing) |
| CRZ YOGA Butterluxe Jacket, Waist Length | 81% polyamide, 19% Lycra | Slim, waist length | Machine wash (listing) |
| 90 Degree By Reflex Full Zip Running Track Jacket | Varies by colour: 88% polyester / 12% spandex, 81% nylon / 19% spandex or 75% polyester / 25% spandex | Slim, full zip | Machine wash (listing) |
| PINSPARK Women's Slim Fit Full Zip Workout Jacket | 80% polyester, 20% spandex | Slim | Machine wash (listing) |
From each product listing, read 11 October 2026. “Not stated” means the listing does not say.
How to judge one yourself
Read the fabric line: nylon with elastane feels closest to Nulu; polyester feels slicker. Then the length: the Define sits below the waistband. Thumbholes are common, the Cuffins are not.
FAQ
What is the best lululemon Define Jacket dupe?
CRZ YOGA's Butterluxe jacket lists the same 81% nylon, 19% Lycra blend as the Nulu Define. It is waist length, a little shorter than the Define. Read on Amazon on 11 October 2026.
Does any Define dupe have Cuffins?
None of the listings we read names fold-over cuffs. 90 Degree By Reflex has thumbholes.
Which Define dupe is the cheapest-feeling?
PINSPARK's is polyester and spandex, not nylon, so it feels slicker than Nulu.
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