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Jack Wolfskin

W's SIERRA T-shirt - Stratosphere - 100% Recycled Fabric

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Light and stretchy functional T-shirt in recycled fabric with active moisture management and stay-fresh properties

From jogging to speed hiking, from outdoor fitness training to spinning – you love pushing yourself to your physical limit. The SIERRA T will help you get there. 

This T-shirt is made of an agile, stretchy fabric and has a casual, sporty cut. The fabric blots up perspiration efficiently, wicks it away from the skin to the outer surface and dries quickly. 

The HYDROPORE fabric has several additional attributes that support your physical performance during high-output activities. It’s super stretchy and specially treated to eliminate unpleasant odors.

Fabric details:

100% Recycled Polyester 


  • functional T-shirt
  • moisture regulating
  • lightweight
  • stretch fabric
  • odor-inhibiting
  • 100% recycled main fabric
  • cable duct for headphones
  • reflectors
  • weight:90 g (size S)

              What's sustainable?

              • Recycled polyester


                Shipping and Returns


                Weekendbee online store offers fast global shipping with DHL. 

                Shipping cost EuropeFast 1-3 day delivery is FREE for orders over 119 €. For orders under 119 € shipping cost is 9,90€. 

                Shipping cost USA & Canada, Mexico, Russia: 20€

                Shipping cost Australia, New Zealand, Hong Kong, Singapore: 29,90€

                International shipments are delivered with DHL Express.

                Check all shipping costs

                30 day return policy

                You have a possibility to return or exchange your order within 30 days of receiving the order. 

                • Returns and exchanges in Finland are free
                • Product returns from Europe are 9,90€
                • Outside Europe you are responsible for the shipping fee of the returns

                We would kindly want to remind of the environmental impact caused by logistics thus we aim to avoid unnecessary returns. We are happy to help you to choose the suitable product for you. 

                Read more details on returns.

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