- Sleeping Bags
- Men's Apparel
- Women's Apparel
Free Shipping offer is valid in the US lower 48 states only, and is not available for PO Boxes or Military APO/FPO addresses. Orders placed by 12:00 pm Mountain Time Monday - Friday will ship the same day. All other orders will ship the next business day. Discount codes are not valid on sale products, Pro purchases, Men's & Women's Tops, Bottoms, & Hats, High Side, and Studio. Limit one discount code per order.
United States Patent Marking for Flex Capacitor made from October 1st, 2016, until this list is next revised. Each list of patents by product name applies to all Flex Summit Sack sizes and colors.
Flex Capacitor 40-60 S/M
Flex Capacitor 40-60 M/L
If you have any questions about this list, please contact Sierra Designs at 800-736-8592.
Return to Patented Products page.