Stainless Steel Cup
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Stay hydrated in style with the Stainless Steel Cup in Black. Your essential training companion that performs as hard as you do.
Product Details
This isn't just another drink bottle. The Muscle Nation Stainless Steel Cup is designed for athletes who demand performance from every piece of their gear. Whether you're crushing your workout, powering through training sessions, or staying hydrated during recovery, this 500ml stainless steel cup delivers the durability and style that supports your active lifestyle.
Built for Performance:
The premium stainless steel body with matching stainless steel straw provides long-lasting durability that handles the demands of serious training, while the durable plastic lid ensures secure, leak-free hydration. The laser-cut engraved Muscle Nation logo showcases your commitment to quality training gear, and the perfectly sized design fits standard cup holders for convenient transport.
Hydrate with confidence knowing your drink stays at the perfect temperature while you focus on your performance goals. The 500ml capacity provides optimal hydration for training sessions without being too bulky for your gym bag.
Performance Features:
- Stainless steel body & straw for lasting durability
- Durable plastic lid for secure, leak-free use
- 500ml capacity for optimal training hydration
- Cup holder friendly for convenient transport
- Engraved (laser cut) Muscle Nation logo for authentic styling
- Hand wash only for optimal care
Shipping & Returns
Returns
We hope you love your new items as much as we do! However, if you're not 100% satisfied with your purchase, we have a Returns Policy in place.
You may return full-price items for an exchange (either for the same item in a different size or a new item altogether), store credit, or a refund.
Please note that any items marked as "final sale" are not eligible for store credit or a refund, as outlined in our returns policy. However, final sale items can be exchanged for the same style and colour in a different size, subject to availability. If your desired size is unavailable, we appreciate your understanding that no return or further exchange can be processed.
Undergarments, socks and opened supplements are excluded from our returns policy and cannot be returned for hygiene reasons.
Find out more about our Returns Policy.
General Shipping Rates
Australia
New Zealand
USA, UK
Canada
Europe
All other countries
Shipping costs and delivery timeframes may vary per country, please enter your shipping address at checkout for specific rates.
Find out more about our Shipping Policy-
PROTEIN WATER
Sample Pack
8 FlavoursRegular price $27.99Regular price$39.99Sale price $27.99
Size Guide
Find your fit before you check out. Every measurement below is the garment laid flat — match it against a piece you already own, or measure your body and size to the closest range. Bodies are beautifully unique, so treat this as a guide.
Still unsure? Email orders@musclenation.org — our team will help you dial it in.
How to measure
Use a soft tape measure and keep it level. Measure over bare skin or close-fitting clothing for the truest reading.
Quick fit check
Enter your measurements to get a starting size for bottoms.
Bottoms & Leggings
Body measurements for all leggings, bike shorts, joggers and bottoms. Sizing runs XXS–XXXXL with AU equivalents.
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Inseam & Length
Inseam is the inner-leg seam length. Our Aura Straight Leg Leggings now come in three leg lengths — pick the one that matches your height.
Aura Straight Leg — inside leg by fit length
Short suits ~150–163cm, Regular ~163–175cm and Tall ~175–188cm. Inside leg is measured flat from the crotch seam to the hem.
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Aura Peachy — Rise
The Aura Peachy range comes in two rises. The High Rise waistband now sits 4cm higher than the Mid Rise for more coverage and core support.
Choose your rise
Both rises use the same buttery Aura Peachy fabric and sculpting scrunch — the only difference is how high the waistband sits.
Shorts — Inseam
Inseam length by short style. Use the bottoms chart above for waist & hip sizing.
Sports Bras
Measure around the fullest point of the bust and directly under the bust.
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Tees
Measured flat, not worn — match against a tee you already love. Oversized tees run a true super-oversized fit, so we don't recommend sizing up; size down for a less oversized look.
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How to measure
Use a soft tape measure and keep it level. Measure over bare skin or close-fitting clothing for the truest reading.
Quick fit check
Enter your measurements to get a starting size for tops & bottoms.
Bottoms
Shorts, joggers and bottoms. Body measurements, sizes S–XXXXL.
← Swipe table to see all columns →
Tops
Tees, tanks, singlets and hoodies. Body measurements, sizes S–XXXXL.
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Customers praised this tumbler for its sleek matte black finish and excellent insulation that "keeps drinks cold for hours." The stainless steel straw is durable, and the cup is sturdy yet lightweight. Shoppers found it "perfect for protein water, pre-workout, or just staying hydrated" with a secure lid and comfortable grip. Great value.
- High-quality tumbler that looks great, performs well, and is excellent value for the price.
- Great quality. Keeps liquids cold.
- The matte black finish gives it a sleek, premium look and feels sturdy without being too heavy.
I absolutely love the purple colour of this tumbler. It stands out without being over the top and has a really clean, premium finish. It’s the perfect size for keeping me hydrated throughout the day, whether I’m drinking protein water, pre workout, or just plain water.
The stainless steel straw is durable and easy to clean, and the double wall insulation keeps drinks cold for hours. The lid fits securely, making it great for taking to the gym, work, or on the go.
Overall, it’s a stylish, practical, and well made tumbler that’s become part of my daily routine. If you’re after a quality cup that looks great and performs just as well, this is an easy recommendation.
This tumbler has quickly become my go-to cup. The matte black finish gives it a sleek, premium look, and it feels sturdy without being too heavy. The stainless steel straw is a nice touch and feels much more durable than plastic alternatives.
It keeps my drinks cold for hours, making it perfect for protein water, pre-workout, or just staying hydrated throughout the day. The lid fits securely, and the cup is comfortable to hold and easy to take on the go.
The simple Muscle Nation branding looks clean and stylish without being over the top. Overall, it’s a high-quality tumbler that looks great, performs well, and is excellent value for the price. I’d definitely recommend it to anyone looking for a reliable everyday drink cup.
Love the colour, size and metal straw. I've been taking it to classes and it stays cool enough. Easy to drink out of. You do need to keep it secure/ok in a bag to avoid spilling if you're not carrying it. I'm really happy with this cup though
Happy with my purchase, it keeps my drinks cold
Absolutely love this bottle — it’s my new favourite! I take it everywhere and use it daily for my protein water on the go. It fits perfectly in my car’s cup holder and keeps my drinks refreshingly cold for hours.
Beautiful color, great size for work
Love the colour and that it’s stainless steel, easy to clean and keeps my drink cool
Sooooo pretty and on sale!
The perfect size for my protein water to travel to work
Very good quality and the colour is on point
Good
Great quality Keeps liquids cold
This is amazing keep my drink cold and fits in my cup holder in the car
I absolutely loved this cup when I first got it. It looks stylish, the size is great, and it was one of my favourite drink cups to use daily. Unfortunately, after only a few weeks of use, the metal part of the lid separated from the plastic section, which was disappointing. I also noticed the colour chips off quite easily with normal use. It’s a nice looking cup, but the durability and build quality let it down for me.
Hi Dylan,
Thank you so much for your honest feedback, we’re really glad to hear you loved the look, size, and overall feel of the cup.
We’re so sorry to hear about your experience with the lid and the colour chipping, as this definitely isn’t the quality we aim to deliver. Your feedback is incredibly valuable and will be shared with our team for further review.
If you haven’t already, could you please reach out to our Customer Service team at orders@musclenation.org so we can look into this further for you.
Team MN xx
I’ve been after a tumbler like this for a while now. This one’s great. Not only is it very good quality, but it’s Pink! Yay! It keeps my protein water and my meal replacement shakes well chilled, and safely contained. Thank you
Mum loved her xmas present, and the Hollywood Pink colour that goes with most other things of hers.
Love the pink excellent for drinking out of and keeps me on track with my water intake as I can see the bright pink and don’t forget to use it everyday
Great colour and great size and quality
Love
Perfect size. Great quality. Easy to clean.
Good quality
Everywhere I go. . . . this cup goes!!!!
Good size, keeps things cold
Love this. Great for my iced coffees.
Love love love
Love! Cute colour too!
Really good quality, love the colour