Sweatpants season is upon us!

There's nothing better than lounging around or running errands in a cozy sweatsuit. Plus, a matching set requires minimal effort and always looks stylish.

"Everyone needs casual outfits as staples of their wardrobe and sets are a spectacular way to build out a staples section of your closet that's both chic and cozy," Corey Robinson, chief product officer for Abercrombie Brands, told "Good Morning America."

Sweatsuits have come a long way since the 2000s with new trendy pieces you can transition from day to night.

"Neutrals like heather grey and vintage creams are fantastic and easily incorporated into multiple looks, but don’t shy away from color if it fits your style," Robinson added.

Below, we've rounded up the perfect sweatsuit for every occasion. Scroll ahead to check out our picks (and shop while you're at it)!

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Lounging

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Abercrombie Essential SoftAF Max Cinched Full-Zip

Price: $70   From: Abercrombie

Our new full-zip hoodie in our softAF MAX heavyweight fabric and hip-hitting length, featuring exterior drawcords with metal aglets, zip-up front, side pockets and on-trend cinched hem.

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Abercrombie Sunday Sweatpants

Price: $60   From: Abercrombie

High-rise sweatpants in our signature softAF fleece fabric and signature slouchy Sunday silhouette, with side pockets, banded cuffs and an easy fold-over waistband with adjustable drawstrings.

Running Errands

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Spanx AirEssentials Half Zip

Price: $118   From: Spanx

Luxurious comfort that goes anywhere. The AirEssentials Collection is made with spacer fabric that’s lightweight, soft and ultra drapey, designed to feel silky against your skin.

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Spanx AirEssentials Wide Leg Pant

Price: $118   From: Spanx

Designed with refined comfort to feel silky against your skin, these ultimate throw-on-and-go styles will take you anywhere and everywhere.

Cashmere

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C by Bloomingdale's Pullover Cashmere Hoodie

Price: $198   From: Bloomingdale's

This item is part of the100% Bloomingdale's collection, featuring exclusive pieces you won't find anywhere else.

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C by Bloomingdale's Cashmere Jogger Pants

Price: $198   From: Bloomingdale's

A versatile, year-round option in ultrafine, sumptuously soft cashmere. Wear it with our matching hoodie or your favorite sweatshirt.

Night Out

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Good American Cropped and Cool Sweatshirt

Price: $75   From: Good American

The Cropped & Cool Sweatshirt is your go-to exaggerated crew silhouette, and has ribbed side panels to hold this top away from your body.

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Good American Boyfriend Sweatpant

Price: $75   From: Good American

Roll the waist, or don’t. Hike up the leg, or don't. Fullness works down to the ankle cuff, so the sweats slightly blouson over your ankle, if you’re into that.

Customized

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Birdy Grey Zip Up Hoodie

Price: $34   From: Birdy Grey

Throwing a destination bachelorette party or a wedding in a far-off paradise? These zip up hoodies are the ideal thing to wear on the plane. They're oh-so comfy, light enough to wear year-round, and make fantastic bridal party gifts (make sure to personalize it!). Don't be surprised when you see your pals wearing them out and about long after the wedding.

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Birdy Grey Sweatpants

Price: $28   From: Birdy Grey

Buy 'em blank or personalize the leg of these ultra-comfy sweatpants. Pair them with our crew neck sweatshirts or zip up hoodies for a wonderfully coordinated gift.

For Warmer Weather

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Ming Wang Space Dye Rib Tank

Price: $130   From: Ming Wang

Space-dye stripes enliven this softly ribbed tank that transitions easily from day to night.

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Ming Wang Space Dye Rib Knit Pants

Price: $195   From: Ming Wang

These comfortable and stretchy rib-knit pants hold their shape all day and feature an on-trend space-dye pattern.

Men's

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Allbirds Men's R&R Hoodie

Price: $118   From: Allbirds

A true year-round option, the R&R Hoodie is a perfect weight to throw on during a chilly day at the beach, a quick walk with the dog, or a cozy night on the couch.

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Allbirds Men's R&R Sweatpant

Price: $98   From: Allbirds

Everyday comfort and a soft but structured handfeel will make these sweats a fast favorite that can be dressed up or dressed down.