Training bra On Core – comfortable, flexible and perfectly supportive during physical activity. Made from breathable materials, it provides comfort, complete freedom of movement and stability, combining functionality with a modern design that is ideal for workouts and everyday wear.
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Training bra On Core heron (1WF10064390)
On Core heron training bra is an excellent choice for active women who expect comfort and support during their workouts. The seamless construction ensures smoothness and minimises the risk of chafing, which is crucial during intense exercises. The material made of elastane and polyamide guarantees flexibility and a body-hugging fit, allowing for freedom of movement.
Innovative seamless construction
The On Core heron training bra uses a seamless design that provides exceptional wearing comfort. This solution allows the bra to fit perfectly to the body, minimising the risk of skin irritations. Such an approach to product construction makes it extremely functional, even during the most intense workouts.
High-quality materials
The material from which the On Core heron training bra is made combines elastane and polyamide, providing optimal flexibility and support. The addition of polyester in the lining increases durability and resistance to stretching, which translates to long-lasting use without losing shape. This ensures that the bra performs its functions excellently over time.
On Core training bra - features:
- Seamless construction providing wearing comfort;
- Flexibility and fit thanks to elastane and polyamide materials;
- Lining made of durable polyester;
- Minimisation of chafing risk due to seamless construction;
- Excellent flexibility for complete freedom of movement.
Product Details

Seamless construction increasing comfort
The specially designed seamless construction eliminates pressure points that may cause discomfort during movement. The smooth surface of the material closely conforms to the silhouette, preventing chafing even during repetitive exercises. During dynamic sets and changes of position, the absence of seams prevents skin irritation all around the bra.

Flexible material made of elastane and polyamide
The blend of elastane and polyamide ensures the fabric's stretchability during intense movements. The material easily adapts to the silhouette, working with the body during each repetition or change of position. During training, the flexibility of the material maintains stable adhesion, supporting the bust even during dynamic exercises.

Durable polyester lining
The construction of this bra features a lining made from durable polyester. The appropriately selected material limits stretching, ensuring that the lingerie retains its shape even with frequent workouts. During intense exercises, the lining maintains its original shape, providing a stable fit for an extended period.
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Training bra On Core heron
Training bra On Core heron
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