Breathable Hollow Back Short Sleeve Shirt
- Free shipping on orders over C$150
- Delivery in 8–12 business days, with tracking
- 30-day returns, handled in Toronto
- Secure checkout · prices in CAD
Important note regarding size selection:
The fit of this model is tight and shaping, so to ensure comfort and a perfect fit — if you are between sizes, it is recommended to choose the larger size.
Questions & answers
How much is shipping?
Shipping is free on orders over C$150. For smaller orders the cost is shown at checkout.
How long does delivery take?
Orders are processed in 1–3 business days, and delivery in Canada typically takes 8–12 business days. You get a tracking number by email as soon as your order ships.
Will I pay customs or duties?
Orders ship from our international fulfilment centre. Most orders stay below the threshold and arrive with no extra fees. If customs or import duties do apply, they are the customer’s responsibility.
What is the return policy?
You have 30 days from delivery to return unworn, unwashed items with the tags attached. Returns are handled locally in Toronto: email hello@popopen.ca with your order number and we send you the instructions. Return shipping is paid by the customer.
How do I choose my size?
Every product page has a size chart. The fit is tight and shaping, so if you are between sizes we recommend the larger one.
Free Shipping
Orders over $150 CAD
Sustainable Fabrics
Eco-conscious materials
Easy Returns
30 days hassle free
Ultra-Breathable | Seamless Comfort | Aesthetic Performance
Step into the future of fitness apparel with our T-shirt.
Engineered for the woman who seeks a balance between buttery-soft comfort and high-intensity performance, this top features an innovative "Hollow Back" design.
It’s not just about the look it’s about providing targeted ventilation where you need it most, keeping you cool during summer heat and peak training sessions.
The sophisticated cut-out back design offers a stunning aesthetic while allowing for maximum airflow and total freedom of movement.
Designed with a relaxed silhouette.
The short-sleeve cut and lightweight construction make it the ultimate choice for outdoor runs, yoga studios, or hot gym environments.
Modern Crop-Length: A tailored length that pairs perfectly with high-waisted leggings, providing a chic, streamlined look.
Premium Fabric Blend (Nylon & Elastane) While inspired by the softness of bamboo, this top is crafted from an elite technical blend: High-Performance Nylon: Provides a silk-like touch against the skin.
It is exceptionally durable, moisture-wicking, and resists odors.
4-Way Stretch Elastane: Offers incredible flexibility.
The fabric moves with you during complex yoga poses and recovers its shape perfectly wash after wash. Quick-Dry Tech: Engineered to pull sweat away from the body, ensuring you stay dry and focused.
Size Chart:
| Size | Bust | Waist | Length |
| S | 88 | 89 | 62 |
| M | 93 | 96 | 64 |
| L | 98 | 103 | 66 |
| XL | 103 | 110 | 68 |
This model has a tight, body-shaping fit. To ensure comfort and the best fit — if you’re between sizes, it’s recommended to choose the larger size.