Black Friday in July Activewear on Sale

REI offers its REI Co-op Men's Midweight Base Layer Half-Zip Top in several colors for $19.83 for a savings of 66% off the list price.  You can grab the women's version here for the same price.  Shipping is free over $60, or you can choose pickup for free at many stores (members will get free shipping outright). Buy Now at REI

Under Armour Outlet's Labor Day Sale is now live. Within, you'll find apparel, shoes, and accessories marked 30% to 40% off. Even better, you can stack promo code "EXTRA15" to get an extra 15% off your order. Some exclusions may apply. Shipping adds $8 or is free on orders of $50 or more. Sale ends September 7. Shop Now at Under Armour

adidas is offering up to 50% off men's clothing, shoes, and accessories, as part of its Labor Day Sale. Plus, you can use the promo code "EXTRA" to cut an extra 30% off. The sale includes adidas Originals, Terrex, Performance, and lots of other lines, as well as lots of soccer jerseys for club and national teams. adidas adiClub members get free shipping on all orders, too (it's free to join). The coupon ends September 8. Shop Now at adidas

At Amazon, get these Aegend Sun Protection Cooling Compression Arm Sleeves for $4.99. It's the best price we could find by $6. They offer sun protection and a cooling compression fit in a stars-and-stripes design suited for warm-weather wear. Buy Now at Amazon

These REI Co-op Swiftland running shorts are $18, down from $64.95. They're made from recycled nylon and spandex fabric that meets bluesign environmental criteria, and include a built-in brief liner along with 4 pockets for carrying a phone and gels on the trail. Shipping is free over $60, or pickup is free and available depending on your location (members get free shipping outright). Buy Now at REI