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My Peak Challenge Checkout
Choose your free membership gift pack*
*Shipping fees applyImportant Information:
Shirt Sizing
Member T-shirts cannot be exchanged or returned, so please carefully consult the Size Guide before selecting your membership gift. To compare measurements, lie a shirt that fits you well on a flat surface and measure it across the chest, from armpit to armpit. Compare that number to our size guide for the best fit.
Note that women’s shirts are significantly more fitted than unisex shirts. We recommend double-checking the Size Guide and sizing up from your regular size if you opt for a women’s style shirt.
Because of shipping issues resulting from the Covid-19 pandemic, please allow 6-12 weeks for domestic (U.S.) shipping and 7-14 weeks for international shipping.
Checkout Instructions
Please adjust any special characters in your name and address to ensure proper delivery of your membership gift pack. Diacritical marks (´, `, ¨, ˆ, etc.) and non-English letters and characters are not compatible with our mailing system.
50% of membership fees (after payment processing, membership gift fulfillment and admin fees) is donated to our charity partners