Shipping costs are on us and orders are generally shipped within 24 hours. There is no customs fee/duty. Please try items in the comfort of your own home. For up to 30 days, if you don't like them, or they don't fit, just use the pre-paid FedEx shipping label included with your order or visit one of our Flagship Stores to return the item. We offer a Lifetime Warranty against defects in materials and workmanship. It's all part of our commitment to exceptional quality. For customer service please call 1-855-622-5243 from M-F: 8am-10pm (EST) and S-S: 10am-6pm (EST).