Quick answer: For lifting, a zip-up hoodie in a mid-heavy cotton-poly blend (around 350–360gsm) with a dropped shoulder and a slightly cropped, boxy body is the most practical choice. It's warm for your warm-up sets, unzips as you heat up, and doesn't bunch at the waist under a barbell.
What are the best zip-up gym hoodies for warming up before lifting?
A warm-up hoodie should get your muscles and joints warm quickly, then get out of the way. A zip is the key feature: you can open it after your first working set without pulling a hood over your head between sets.
Our zip hoodies (HELLFIRE, BARBARIAN, ANABOLICA, Heavy Duty, Blood & Guts and Endure v2) all share the same lifting-focused build:
- 51% polyester / 49% cotton fleece at 360gsm
- Drop shoulder for room through the delts and back
- Minor crop, so it sits at the hip and won't bunch on squats or hinges
Drop shoulder, minor crop, 360gsm: the HELLFIRE zip hoodie.
Shop the full hoodies collection.
Which heavyweight gym hoodies have a relaxed, boxy fit?
"Boxy" means the body is cut wide and fairly straight, without tapering in at the waist. On a lifter it does two useful things: it gives the lats and chest room, and the straight side seam makes the shoulders look wider than the waist.
For the boxiest, heaviest option, the Mentzer Oversized Hoodie is 350gsm ("thick" is an understatement) with a 66–74cm half-chest depending on size. If you want maximum weight without a hood, our crewneck pump covers go up to 460gsm.
Cropped gym hoodies vs standard-length hoodies for bodybuilding
| Cropped / minor crop | Standard length | |
|---|---|---|
| Silhouette | Wide shoulders, short body: strong V-taper effect | Longer line that can hide the waist |
| In the gym | Doesn't bunch at the hips on squats, deadlifts or rows | The hem can roll up and gather during hinges |
| Warmth | Lower back can be exposed when you bend | Full coverage |
| Style | Modern, streetwear | Classic |
For bodybuilders, a minor crop is usually the sweet spot. It's short enough to keep the taper, but long enough that your lower back stays covered under a bar.
What should I look for in a gym hoodie that is warm but not too bulky?
- Weight in the 330–370gsm range. That's warm enough for a cold UK gym in January without feeling like a duvet. Above about 400gsm is lounge or pump-cover territory.
- Brushed fleece inside traps heat without needing extra thickness.
- Room in the shoulders, not the waist. Bulk at the waist is what makes a hoodie look sloppy.
- Ribbed cuffs and hem keep the warmth in and stop sleeves sliding over your hands on pulls.
Are cotton-blend zip hoodies practical for training and everyday wear?
Yes. A roughly 50/50 cotton-polyester blend is arguably the most practical fabric for a hoodie that does both jobs. The cotton keeps it soft and breathable. The polyester makes it more durable, helps it keep its shape after washing and lets it dry faster than 100% cotton. It's also less likely to shrink if you stick to a 30°C gentle wash and a low tumble dry.
Pair a zip hoodie with an oversized tee underneath and straight-leg bodybuilding pants and you have a full gym-to-street outfit.
Mentzer Oversized Hoodie: built for Heavy Duty sessions.
FAQ
Is it bad to lift in a hoodie?
No. Wearing a hoodie for warm-ups is sensible, especially in cold gyms. Just take it off or unzip it once you're warm, so you don't overheat during heavy working sets.
What gsm is a good hoodie?
Around 300–380gsm is a solid all-round weight. Heavyweight hoodies and crewnecks start around 400gsm, and our pump-cover crewnecks are 460gsm.
Should a gym hoodie be oversized?
A relaxed or boxy fit is better than tight, because you need room to move. Look for drop shoulders rather than simply sizing up, which only adds length and baggy sleeves.
Related guides: Best oversized gym T-shirts and pump covers · Gym clothing fabric guide