Unique hybrid of polyurethane and performance textiles deliver enduring protection
Soft ergo-armband optimizes comfort and eliminates friction
Moisture-wicking material moves sweat away from body and adds breathability
Reflective hits promote low-light visibility up to 1200 feet
The Sonic Boom Armband is a sleek armband which offers an easy-touch window with an Ergological™ design integrating NDurAthletic™ and moisture-wicking material. It fits iPhone 5, iPhone 4, and 4S and is Ant+ dongle compatible.
*Excludes electronics, nutrition , Addaday Biozoom, Air Relax, and Zwift. Excludes Brooks footwear, Hoka One One footwear, select Saucony footwear, and On Running.
*Valid on regular price apparel only. Excludes sale items, footwear, socks and accessories.
*Applies to all sales All Sale Priced items ordered online can be returned online for a refund. Sale-priced items returned in-store are only eligible for an exchange or in-store credit. All exchanges or returns must be made within 30 days of purchase. Savings are off our original price. Cannot be used for previously purchased product. Cannot be combined with any other promotional offer, coupon or discount. Subject to on-hand inventory availability. Product may not be exactly as shown. Selection may vary by store. Offer not valid on out of stock merchandise. While quantities last. Use of offer(s)/promotional code(s) is acceptance of these terms. Running Room reserves the right to cancel or modify offer(s) at any time.