Description Product form Pay using HSA/FSA with Checkout With Your HSA/FSA Maximize your pre-tax HSA/FSA dollars. 1 If logged in to Shop Pay, check out as a guest. 2 Select the Flex | Pay with HSA/FSA option. 3 Confirm your eligibility. 4 Enter your HSA/FSA card details. Wahoo Fitness Wahoo TRACKR Heart Rate Monitor Chest Strap $99.99 SKU: WFBTHR05W Barcode: 850048106246 Quantity Out of stock Support local Free shipping $150+ 30-day returns Crash replacement Popular add-ons: