Camel Slouchy Sweater Socks arranged on an off-white background

Camel Slouchy Sweater Socks (5 Pairs)

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Camel Slouchy Sweater Socks (5 Pairs)

Bigger, stronger forearms in 5 minutes a day.

$29.99

Stronger grip, defined forearms
Resistance that grows with you
Built-in counter tracks every rep
Fits your desk, couch or gym bag

Free US ShippingOn every order

90-Day GuaranteeLove it or get a refund

Free Forearm Plan30 days, emailed to you

Description

Five pairs of thick knit sweater socks, all in camel. The ribbed cuff pulls up for extra warmth or folds down for a slouchy look. One size: women's US 6-8.5. Every order is backed by our 30-day money-back guarantee.

Shipping & Returns

Free shipping on every US order. You'll get a tracking link by email as soon as your order ships.

Try ONYX for 90 days. If you're not happy with it, email support@onyxshreds.com and we'll give you a full refund.

What's in the Box

1 ONYX Forearm Trainer, or 2 with the 2-pack.

Your free 30-Day Forearm Plan, sent to your email after you order.

Tyler W. ★★★★★

I used to wear long sleeves on first dates, even when I knew I’d be hot. I hated how skinny my forearms looked. I started keeping the ONYX trainer by the couch and using it while I watched games. The first time I really noticed a difference was at dinner. I rolled my sleeves up, and halfway through the meal she put her hand on my arm and said, “You should wear your sleeves like that more often.” That moment forever changed my life.

Why forearms

The one muscle everyone sees.

Your shirt covers your chest, abs and biceps. Your forearms are out every time you roll up your sleeves, shake a hand or grab the wheel.

70%¹

In one study, how strong a man looked explained about 70% of how attractive women rated his body.

#1²

In a thread of 400+ comments from women sharing their turn-ons, forearms came up more than anything else.

20 lb³

Men ages 20 to 24 tested in 2016 had a right-hand grip about 20 lb weaker than men that age in 1985.

Sell, Lukaszewski & Townsley, Proceedings of the Royal Society B, 2017.
Cup of Jo reader thread, summarized by The Art of Manliness, 2024.
Fain & Weatherford, Journal of Hand Therapy, 2016, compared with 1985 norms.

5 minutes a day

The problem

Big arms. Skinny forearms?

You train chest, back and biceps. Your forearms get whatever time is left at the end of the workout, if they get any at all. So they never catch up.

That's a problem, because in a T-shirt or rolled-up sleeves, your forearms are the part of your arms people actually see.

ONYX gives them their own five minutes a day. Set the resistance, squeeze, and let the counter keep score. On the couch, at your desk or between sets. No extra gym time.

Get yours

How it works

Five minutes. That's it.

No gym, no plates, no new routine. Just a few minutes of hard squeezes while you do something else.

01
Set your resistance

Turn the dial to choose how hard it squeezes back. Start light and go heavier as you get stronger.
02
Squeeze for 5 minutes

Slow, full squeezes on the couch, at your desk or between sets. Grab the 2-pack and train both hands at once.
03
Beat your number

The built-in counter tracks every rep. Beat yesterday's count, then turn the dial up a notch.

Start training

The difference

Why guys choose ONYX

Classic grippers have one fixed spring. Once it gets easy, you're done. ONYX keeps up as you get stronger.

ONYX Classic grippers

Adjustable resistance

Built-in rep counter

One tool from beginner to heavy

Free 30-day forearm plan

Fits in your bag

What to expect

Your progress timeline

Everyone's different, and results depend on how often you train. Here's what steady daily sets can look like.

Week 1
Feel it working

You'll feel a deep forearm pump from your very first sessions.
Week 4
Grip gets stronger

Heavier settings start to feel easier, and you'll beat your old rep counts.
Week 6+
See the change

Keep it up and your forearms start to look fuller and more defined.

Real guys. Real results.

★★★★★

I’d been lifting for years, but on dates, when I mentioned the gym, I’d get this surprised “Oh, you work out?” That one stung a little. Forearms were always the thing I skipped, so I put the ONYX on my desk and started tracking my reps. One night I reached across the bar for a menu and the woman next to me asked if I climbed. I said, “What made you guess that?” She pointed at my forearms. For once, somebody could tell I trained before I said a word.

Ryder C. Verified buyer

★★★★★

A girl once wrapped her fingers around my wrist as a joke. Years later, I’d still catch myself pulling my hand away when someone touched it. That’s honestly why I bought the ONYX. I wanted to feel good about that part of me. Last weekend I was walking with a girl I’d been seeing, and she hooked her arm through mine. We made it two blocks before I realized I’d just kept talking. I liked that she wanted to be close, and I actually got to enjoy it.

Jacob R. Verified buyer

★★★★★

I had four photos on Hinge and my arms were crossed in three of them. My buddy pointed it out. I knew exactly why I did it. After I’d been using the ONYX for a while, he took a picture of me grilling at his place. Just a regular T-shirt, tongs in one hand. I liked how my arms looked, so I put it up. A woman liked it and wrote, “Okay, the forearms got my attention. What are you making?” That was an easy conversation to start.

Ryan M. Verified buyer

Try it for 90 days.

Train with ONYX for 90 days. If you're not happy with it, email us and we'll refund your order. No hoops. No hassle.

Free US shipping
90-day money-back guarantee
Free 30-day forearm plan

Claim my ONYX

FAQ

Questions? We've got answers.

Is it good for beginners?

Yes. Start on the lightest setting and add resistance as your grip gets stronger. It works for first-timers and for guys who already lift.

Will it work if my forearms are just genetic?

Your wrist bones won't change, and nobody's can. The muscle on top of them can. Forearms are slow to grow for most guys, so the key is training them often. That's what five minutes a day is for.

When will I start noticing results?

Most guys feel the pump right away. Strength and size take steady work, so give it a few weeks of daily sets. Results are different for everyone.

Can I use it every day?

Yes, once you build up to it. Start on a light setting for the first week, and take a day off if your hands or forearms feel sore. If anything hurts, stop.

Do I still need other forearm exercises?

No. ONYX works on its own, and it fits right into your gym routine if you already have one.

How does the rep counter work?

It counts each full squeeze for you. Check your number after each set and try to beat it next time.

Should I get one or two?

Two lets you train both hands at the same time, so you're done in half the time. The 2-pack is also our best price per trainer.

What's your shipping and return policy?

Shipping is free on every US order, and you'll get tracking by email. You're also covered by our 90-day money-back guarantee. Just email support@onyxshreds.com.