Frequently Asked Questions
Everything you need to know about shopping with KLM Performance.
What is the standard shipping time for my order?
Orders are typically processed within 1-2 business days. Standard shipping within the continental US generally takes 3-5 business days, while international shipping can take 7-14 business days depending on the destination.
How do I return or exchange an item?
We offer a 30-day return policy for all unworn and unwashed items with original tags attached. To initiate a return or exchange, please visit our online Return Portal and enter your order number and zip code.
How do I know which size will fit me best?
Each product page features a detailed 'Size & Fit' guide. We recommend measuring a similar garment you already own and comparing it to our measurements to ensure the perfect performance fit.
What payment methods do you accept?
KLM Performance accepts all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and Google Pay. We also offer interest-free installment plans through Klarna and Afterpay.
Are your garments sustainably produced?
We are committed to ethical manufacturing. 80% of our current collection is made from recycled or organic materials, and we partner exclusively with factories that adhere to fair labor standards and certifications.
Can I track my package after it has shipped?
Yes, once your order leaves our warehouse, you will receive an automated email containing your tracking number and a link to the carrier's website to monitor your delivery progress.