Cotton Sweaters on Sale

A casual layering option for anyone who wants a lightweight knit that works over a t-shirt or tank without feeling too heavy or structured. Buy Now at Target

Qualfort's cotton cardigan is a straightforward layering piece with a v-neck and button front, suited for anyone who wants a simple, versatile sweater for work or casual wear. At $20, it's $5 off the $25 list price. Buy Now at Walmart

Relaxed and lightweight, this slub-texture cardigan works as a layering piece for casual everyday wear, and it's the kind of item that tends to get a lot of use if you run cold in air-conditioned spaces. Buy Now at Target

A lightweight layering option for women who want something to throw over a tank or dress when the AC kicks in — short sleeves keep it from feeling too heavy for warmer months. Buy Now at Target

A cropped, short-sleeve cardigan works well as a lightweight layering piece for spring and summer, especially if you run warm but still want something over a tank or dress. Buy Now at Target

Lightweight and breathable, this works well as a layering piece for transitional weather or air-conditioned spaces where you want a little coverage without the bulk of a full knit. Buy Now at Target

A lightweight, textured knit sweater that works well as a layering piece or on its own for casual wear, particularly if you prefer a relaxed crewneck style that doesn't require much thought to style. Buy Now at Target

A straightforward layering option for anyone who wants a versatile, everyday cardigan that works over a range of outfits without committing to a heavier jacket. Buy Now at Target

Lightweight, open-front cardigans like this work well as a layering piece for air-conditioned offices or cool evenings when you want something easy to throw on and take off. At $13, that's about $13 off the $26 list price. Buy Now at Walmart

A lightweight V-neck pullover in cotton that works well as a layering piece or standalone top, currently $14 off the $32 list price at Walmart. Buy Now at Walmart

Lightweight enough to layer over a tank or under a heavier jacket, this cardigan works well as a transitional piece for in-between weather or as an easy throw-on for casual days. Buy Now at Target

Target has the Universal Thread Women's Western Cable Crewneck Pullover Sweater for $18, which is 50% off the $35 list price. Universal Thread is Target's in-house women's label, and this cable-knit pullover is a practical layering option if you want a casual, textured sweater without spending much. Buy Now at Target

A polo-collar pullover in a short sleeve cut sits in a useful middle ground between a standard T-shirt and a collared dress shirt, which makes it a reasonable option if you want something a step up from casual without the commitment of a full collar and buttons. Buy Now at Target

A casual layering option for guys who want a polished-ish look without a collared shirt underneath, since the Johnny collar does that job on its own. Buy Now at Target

A polo-collar pullover in a short sleeve cut sits in a useful middle ground between a standard T-shirt and a collared dress shirt, which makes it a reasonable option if you want something a step up from casual without the commitment of a full collar and buttons. Buy Now at Target

A polo-collar pullover in a short sleeve cut sits in a useful middle ground between a standard T-shirt and a collared dress shirt, which makes it a reasonable option if you want something a step up from casual without the commitment of a full collar and buttons. Buy Now at Target

A striped sweater polo with a Johnny (band) collar sits between a casual polo and a lightweight knit, making it a useful option if you want something that reads slightly more put-together than a standard polo without much extra effort. Buy Now at Target

Sized for girls and knit in a cardigan style, this works well as a lightweight layer for school outfits or casual wear when the weather calls for something between a jacket and a t-shirt. Buy Now at Walmart

Lightweight and breathable, this sweater works well as a layering piece or a standalone top in transitional weather, thanks to the pointelle knit that adds some texture without extra bulk. Buy Now at Target