The Endurance Biens Midlayer is a men's thin and very flexible sports midlayer. It works for a range of activities, such as running and fitness training.
At Runforest, our commitment is to ensure prompt fulfillment of all deliveries, with a standard delivery time ranging between 2-5 working days, unless otherwise specified in the chosen delivery option.
Shipping costs, if applicable, may vary but will be transparently displayed before the final purchase at the checkout.
A long-sleeve t-shirt works as a thin layer, a half zip lets you regulate temperature by opening the zip, and a hoodie gives the most warmth before and after the session. See hoodies & sweatshirts.
You can, but cotton absorbs sweat and gets heavy. For running, a technical fabric that is moisture-wicking works better, and cotton is best for warm-up and everyday wear.
Fit can differ between Endurance models, so check the size guide above the add-to-cart button for the product you are looking at.
Yes, you have 30 days of free returns. The product must be in its original condition. Pack it, attach the return label and drop it off with the carrier shown on the label.
Yes. Return the product free of charge and place a new order for the size you need. Exchanges are handled as a return plus a new order.