Since the dawn of the internet, Labor Day Weekend has been giving Black Friday a run for its money. There are some end-of-summer sales so good they’ll help you forget about the end of those sun-soaked summer Fridays.

Since you should be spending your time planning and executing the most memorable Labor Day Weekend party, rounded up from the recesses of the cyber world are the steepest, most surprising, and most exciting long weekend sales.

A heads-up from your friendly neighborhood shopper, some of these have already started and still have most size options. Buuuut…with prices this good from brands that rarely go on sale, your size may not be in stock forever—so consider this your field guide to avoiding whatever the opposite of buyer’s remorse is (AKA what you get when you snooze and lose).

Read below to see the best sales happening this weekend.

Beyond Yoga

The women-founded brand is known for activewear that’s super-flattering and size inclusive (ranging from xx-small to xx-large)—and it’s offering steep discounts over the holiday weekend. From September 1–4, Beyond Yoga will mark down its sale section even further, for deals of up to 75 percent off.

Opening Ceremony

Both in stores and online, Opening Ceremony is celebrating the end of summer with a seriously discounted sale section—think $20 Calvin Klein sports bras, $50 Fenty by Puma Sneakers, and a $165 Adidas by Alexander Wang windbreaker.

Sleepy Jones

Sleepy Jones makes some of the chicest, most high-quality pajamas around—not a bad thing when you’re trying to get some seriously good sleep. Unfortunately this means they tend to run a little pricey (seriously, some sets will set you back a cool $300). But this weekend, from August 31 to September 4, you can get 20 percent off online orders.

Solid and Striped

Beloved by celebs like Taylor Swift and Olivia Culpo, this minimalist swimwear brand is offering 30 percent off select styles between August 30 and September 4.

Wear It To Heart

You’ll probably be hearing more about this activewear brand this fall (specifically its Sweet Disco collection)—and right now you can score serious bargains. From September 1–7, get 30 percent off all styles with the code LABORDAY3017.

If you want to study up before the sales (informed shopping is the best kind, after all), here are the activewear trends you’ll be seeing everywhere this fall and here are 13 ways that fit cool-girls are styling their activewear right now.