Athletics Slouchy Trackies
Black
The selected option is only available for pre-order. Orders with this item will ship from .
Athletics Oversized Pullover
Black
Define Bra Tank
Black
Description
Cold weather comfort starts here. The Athletics Slouchy Trackies are your winter-ready essential, offering warmth, function and a relaxed fit. Crafted from soft mid-weight brushed fleece with an encased elastic waistband and adjustable drawcords. Elasticated ankle cuffs keep the warmth in, while functional welt pockets offer space for essentials. Perfect for pairing with your Athletics Oversized Pullover to complete the look.
Product Features
- True to size
- Relaxed, slouchy fit
- Encased elastic waistband with drawcords
- Elasticated ankle cuffs
- Welt pockets
- Athletics graphic on right leg
- MN logo on left hip
- Mid-weight brushed fleece
- 80% Cotton 20% Polyester
Size Guide
Model: Milly - 173cm, wears size S
Delivery & 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
Womens & Mens Sizing Guides
Size guides
Here our Muscle Nation, we’re committed to making your online shopping experience as seamless as possible. We know how challenging it can be to find the right size when shopping online, without trying the items on first.
That’s why we go the extra mile to provide detailed product descriptions for every piece in our collection. These descriptions include specifics about fabric, fit, and sizing to help you make an informed choice. Additionally, we share model information for extra guidance when selecting your size.
We also recognise that everyone’s body is beautifully unique, and no sizing chart can perfectly capture every shape. Think of our size guide as just that—a guide. If you’re unsure or have any questions, our friendly customer service team is always here to help. Feel free to reach out to us anytime at orders@musclenation.org . We’re here to ensure you have the best possible experience!
BOTTOMS
-
WAIST
Measure the full circumference at the narrowest point of the waist -
HIPS
Measure the full circumference at the widest/fullest point of the hips -
INSEAM
Measure the full length of the inner leg from crotch to ankle edge on garment.
| Size | Waist | Hips |
|---|---|---|
| XXS / AU 4-6 | 58-63 | 90-94 |
| XS / AU 6-8 | 64-68 | 95-99 |
| S / AU 8-10 | 69-73 | 100-104 |
| M / AU 10-12 | 74-78 | 105-109 |
| L / AU 12-14 | 79-83 | 110-114 |
| XL / AU 14-16 | 84-88 | 115-119 |
| XXL / AU 16-18 | 89-93 | 120-124 |
| XXXL / AU 18-20 | 94-98 | 125-129 |
| XXXXL / AU 20-22 | 99-103 | 130-134 |
| Size | Full Length | Ankle Length | 7/8 Length |
|---|---|---|---|
| XXS / AU 4-6 | 64-66 | 59-61 | 51-53 |
| XS / AU 6-8 | 65-67 | 60-62 | 52-54 |
| S / AU 8-10 | 66-68 | 61-63 | 53-55 |
| M / AU 10-12 | 67-69 | 62-64 | 54-56 |
| L / AU 12-14 | 68-70 | 63-65 | 55-57 |
| XL / AU 14-16 | 69-71 | 64-66 | 56-58 |
| XXL / AU 16-18 | 70-72 | 65-67 | 57-59 |
| XXXL / AU 18-20 | 71-73 | 66-68 | 58-60 |
| XXXXL / AU 20-22 | 72-74 | 67-69 | 59-61 |
| Length | Inseam |
|---|---|
| Referee Shorts | 23-25 |
| Bike Shorts | 13-15 |
| Midway Shorts | 9-11 |
| Booty Shorts | 5-6 |
| Size | Waist | Hips |
|---|---|---|
| XXS / AU 4-6 | 24 | 36 |
| XS / AU 6-8 | 26 | 38 |
| S / AU 8-10 | 28 | 40 |
| M / AU 10-12 | 30 | 42 |
| L / AU 12-14 | 32 | 44 |
| XL / AU 14-16 | 34 | 46 |
| XXL / AU 16-18 | 36 | 48 |
| XXXL / AU 18-20 | 38 | 50 |
| XXXXL / AU 20-22 | 40 | 52 |
| Size | Full Length | Ankle Length | 7/8 Length |
|---|---|---|---|
| XXS / AU 4-6 | 25 | 23 | 20 |
| XS / AU 6-8 | 26 | 24 | 20 |
| S / AU 8-10 | 26 | 24 | 21 |
| M / AU 10-12 | 26 | 24 | 21 |
| L / AU 12-14 | 27 | 25 | 22 |
| XL / AU 14-16 | 27 | 25 | 22 |
| XXL / AU 16-18 | 28 | 26 | 22 |
| XXXL / AU 18-20 | 28 | 26 | 23 |
| XXXXL / AU 20-22 | 29 | 27 | 23 |
| Length | Inseam |
|---|---|
| Referee Shorts | 9 |
| Bike Shorts | 6 |
| Midway Shorts | 4 |
| Booty Shorts | 2 |
SPORTS BRAS
-
Bust
Measure the full circumference at the fullest point of the bust. -
Under Bust
Measure the full circumference under your bust.
| Size | Bust | Under Bust |
|---|---|---|
| XXS / AU 4-6 | 75-79 | 65-69 |
| XS / AU 6-8 | 80-84 | 70-74 |
| S / AU 8-10 | 85-89 | 75-79 |
| M / AU 10-12 | 90-94 | 80-84 |
| L / AU 12-14 | 95-99 | 85-89 |
| XL / AU 14-16 | 100-104 | 90-94 |
| XXL / AU 16-18 | 105-109 | 95-99 |
| XXXL / AU 18-20 | 110-114 | 100-104 |
| XXXXL / AU 20-22 | 115-119 | 105-109 |
| Size | Bust | Under Bust |
|---|---|---|
| XXS / AU 4-6 | 29.5-31.5 | 25.5-37.5 |
| XS / AU 6-8 | 31.5-33.5 | 27.5-29.5 |
| S / AU 8-10 | 33.5-35.5 | 29.5-31.5 |
| M / AU 10-12 | 35.5-37.5 | 31.5-33.5 |
| L / AU 12-14 | 37.5-39.5 | 33.5-35.5 |
| XL / AU 14-16 | 39.5-41.5 | 35.5-37.5 |
| XXL / AU 16-18 | 41.5-43.5 | 37.5-39.5 |
| XXXL / AU 18-20 | 43.5-45.5 | 39.5-41.5 |
| XXXXL / AU 20-22 | 45.5-47.5 | 41.5-43.5 |
TEES
We recommend sizing your tees based on your bra size.
Our tee range features a variety of fabric weights, each with its own unique feel. We allow for slight sizing variations within tolerances to ensure that every tee offers the perfect balance of comfort and style, tailored just for you.
RELAXED FIT
MEASURED IN CM
| Size | Chest | Hem | Length |
|---|---|---|---|
| XXS | 50 | 50 | 55.2 |
| XS | 52.5 | 52.5 | 56.5 |
| S | 55 | 55 | 57.8 |
| M | 57.5 | 57.5 | 59.1 |
| L | 60 | 60 | 60.4 |
| XL | 62.5 | 62.5 | 61.7 |
| 2XL | 65 | 65 | 63 |
| 3XL | 67.5 | 67.5 | 64.3 |
| 4XL | 70 | 70 | 65.6 |
OVERSIZED FIT
MEASURED IN CM
| Size | Chest | Hem | Length |
|---|---|---|---|
| XXS | 57 | 59 | 64 |
| XS | 59.6 | 61.5 | 65 |
| S | 62 | 64 | 66 |
| M | 64.5 | 66.5 | 67 |
| L | 67 | 69 | 68 |
| XL | 69.5 | 71.5 | 69 |
| 2XL | 72 | 74 | 70 |
| 3XL | 74.5 | 76.5 | 71 |
| 4XL | 77 | 79 | 72 |
BOXY FIT
MEASURED IN CM
| Size | Chest | Hem | Length |
|---|---|---|---|
| XXS | 50 | 50 | 55.2 |
| XS | 52.5 | 52.5 | 56.5 |
| S | 55 | 55 | 57.8 |
| M | 57.5 | 57.5 | 59.1 |
| L | 60 | 60 | 60.4 |
| XL | 62.5 | 62.5 | 61.7 |
| 2XL | 65 | 65 | 63 |
| 3XL | 67.5 | 67.5 | 64.3 |
| 4XL | 70 | 70 | 65.6 |
BOTTOMS
-
Waist
Measure the full circumference at the narrowest point of the waist. -
Hips
Measure the full circumference at the widest point of the hips.
| Size | Waist | Hips |
|---|---|---|
| S | 77-81 | 90-04 |
| M | 82-86 | 95-99 |
| L | 87-91 | 100-104 |
| XL | 92-96 | 105-109 |
| XXL | 97-101 | 110-114 |
| XXXL | 102-106 | 115-119 |
| XXXXL | 107-111 | 120-124 |
| Size | Waist | Hips |
|---|---|---|
| S | 31 | 36.5 |
| M | 33 | 38.5 |
| L | 35 | 40.5 |
| XL | 37 | 42.5 |
| XXL | 39 | 44.5 |
| XXXL | 41 | 46.5 |
| XXXXL | 43 | 48.5 |
TOPS
-
Chest
Measure the full circumference of the chest 2.5cm below the underarm. -
Waist
Measure the full circumference at the narrowest point of the waist. -
Hips
Measure the full circumference at the widest point of the hips.
| Size | Chest | Waist | Hips |
|---|---|---|---|
| S | 95-99 | 77-81 | 90-04 |
| M | 100-104 | 82-86 | 95-99 |
| L | 105-109 | 87-91 | 100-104 |
| XL | 110-114 | 92-96 | 105-109 |
| XXL | 115-119 | 97-101 | 110-114 |
| XXXL | 120-124 | 102-106 | 115-119 |
| XXXXL | 125-129 | 107-111 | 120-124 |
| Size | Chest | Waist | Hips |
|---|---|---|---|
| S | 38.5 | 31 | 36.5 |
| M | 40.5 | 33 | 38.5 |
| L | 42.5 | 35 | 40.5 |
| XL | 44.5 | 37 | 42.5 |
| XXL | 46.5 | 39 | 44.5 |
| XXXL | 48.5 | 41 | 46.5 |
| XXXXL | 50.5 | 43 | 48.5 |
SLIDES
-
Length
Measure the length of your foot, from heel to toe.
| US | EU | CM |
|---|---|---|
| 6 | 37 | 24.5 |
| 7.5 | 39 | 25.5 |
| 9 | 41 | 27 |
| 10.5 | 43 | 28 |
| 12 | 45 | 29.5 |
| 13.5 | 47 | 31 |
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