Cotton and linen. No polyester, ever.

StapleBlue-grey chambrayCotton StapleNavy and brown micro checkCotton StapleTan and cream stripeCotton StapleTan and navy checkCotton StapleRed stripeCotton StapleSlate blue slub checkCotton StapleBlue twill stripeCotton StapleBlue and white window checkCotton StapleOlive and yellow micro checkCotton StapleBeige and navy checkCotton StapleDusty rose slubCotton StapleNavy, cream and red plaidCotton StapleTaupe grid checkCotton StapleIndigo speckleCotton StapleWhite waffleCotton StapleSage and white ginghamCotton StapleBurgundy and turquoise stripeCotton StapleBlue and white plaidCotton StaplePale grey grid checkCotton White TwillTwill Light Blue CheckCheck Navy PlaidPlaid Navy LinenLinen Blue OxfordOxford Light Blue OxfordOxford White OxfordOxford Pine TwillTwill Charcoal TwillTwill Blue StripeStripe Blue and White CheckCheck Navy TwillTwill Navy Green and Red PlaidPlaid Hickory PlaidPlaid Navy Slub TwillTwill Sky Blue Stripe OxfordOxford Red Stripe OxfordOxford Sky Blue and Gold Stripe OxfordOxford Slate and Sky Stripe OxfordOxford Sky Blue and Yellow PlaidPlaid Faded Orange and Sky PlaidPlaid Blue Rose and Cream PlaidPlaid Navy Knit PiquePique White Knit PiquePique Grey Knit PiquePique Navy and Burnt Rose FlannelFlannel Light Blue TwillTwill Brown CorduroyCorduroy Olive CorduroyCorduroy Beige CorduroyCorduroy Blue Gingham TwillGingham Light Blue StripeStripe Brown FlannelFlannel Navy ChamoisChamois Grey ChambrayChambray Natural ChambrayChambray Navy Slate and Gold FlannelFlannel Sage Twill FlannelFlannel Red Navy and Beige PlaidPlaid Orange and Brown PlaidPlaid Rust Brown and Gold PlaidPlaid Rose and Faded Blue PlaidPlaid Tan and Brown PlaidPlaid Blue Orange and Gold PlaidPlaid Dark Brown FlannelFlannel Grey and Navy Check FlannelFlannel Navy and Slate Check FlannelFlannel Brown and Burgundy Check FlannelFlannel Blue and Red Plaid TwillTwill Blue and Green Plaid TwillTwill Blackwatch PlaidPlaid Slate Sky and Grey PlaidPlaid Slate and Charcoal PlaidPlaid Sky Blue LinenLinen White LinenLinen Blue and Lavender StripeStripe Blue and Lavender HoundstoothCheck Blue and Orange CheckCheck Green and Blue CheckCheck Light Blue LinenLinen Brick Red LinenLinen Blue and White TattersallTattersall Light Blue PlaidPlaid Sky Blue StripeStripe Yellow Stripe OxfordOxford Cherry OxfordOxford Pink OxfordOxford Dark Wash Indigo OxfordOxford Navy and Sky CheckCheck Light Blue and Rose CheckCheck Blue PiquePique Sage PiquePique Olive PoplinPoplin Off White PlainweavePlain weave Gold and Ivory Stripe LinenLinen Sage and Ivory Stripe LinenLinen Blue and Light Blue Stripe LinenLinen Blue and White Plaid LinenLinen Slate Navy and Cream Plaid TwillTwill Light Blue Stripe PinpointPinpoint Pink PinpointPinpoint Blue PinpointPinpoint Sky Blue PinpointPinpoint White PinpointPinpoint Navy and Sky PlaidPlaid Off White OxfordOxford Moss OxfordOxford Ocean Blue Stripe LinenLinen Rose Stripe Cotton LinenLinen Olive Stripe Cotton Linen OxfordOxford Navy Stripe Cotton Linen OxfordOxford Navy OxfordOxford Slate Chambray OxfordOxford Blue and Navy Check TwillTwill Green and Blue Check TwillTwill Salmon and Blue Check TwillTwill Blue Pink and White Plaid BroadclothBroadcloth Sage SeersuckerSeersucker Navy SeersuckerSeersucker Natural White SeersuckerSeersucker Faded Rose and Sky PlaidPlaid Tomato Gold and Navy MadrasMadras Faded Navy and Sage MadrasMadras Beige Tan and Sage MadrasMadras Green White and Sky PlaidPlaid Blue Yellow and Pink PlaidPlaid Slate Cream and Rose PlaidPlaid White SeersuckerSeersucker Blue CheckCheck Light Blue Stripe TwillTwill Indigo ChambrayChambray Slate and Rose Plaid FlannelFlannel Blue Plaid FlannelFlannel Charcoal and Slate Plaid FlannelFlannel Gold and Navy PlaidPlaid Camel Cotton Cashmere FlannelFlannel Grey Cotton Cashmere FlannelFlannel Green and Blue PlaidPlaid Blue and Grey CheckCheck Blue and White End-on-End CheckEnd-on-End Blue and Lilac CheckCheck Blue PlaidPlaid Slate and White PlaidPlaid Coral Blue and Cream PlaidPlaid Grey and Sky PlaidPlaid Marigold ChambrayChambray Lavender GinghamGingham Ivory FlannelFlannel Laurel FlannelFlannel Navy FlannelFlannel Burgundy and Grey Plaid FlannelFlannel Navy and Grey Plaid FlannelFlannel Light Grey Plaid FlannelFlannel Dark Grey Plaid FlannelFlannel Beige and Grey Plaid FlannelFlannel Rust and Grey Plaid FlannelFlannel Pine and Grey Plaid FlannelFlannel Pine Twill FlannelFlannel Burgundy Twill FlannelFlannel Beige Twill FlannelFlannel Slate Twill FlannelFlannel Grey Twill FlannelFlannel Grey Red and Green Plaid TwillTwill Gordon Tartan TwillTwill Navy and Blue Plaid TwillTwill Light Blue and Navy StripeStripe Light Blue and Lavender PlaidPlaid Light Blue University StripeStripe Slate Blue and Sky PlaidPlaid Light Blue and Navy CheckCheck Light Blue Glen PlaidPlaid Cream Selvedge TwillTwill Blue and Grey Fine CheckCheck Light Blue and Lavender CheckCheck Sage and Light Blue CheckCheck Lavender and Light Blue CheckCheck Blue and Rose CheckCheck Green Navy and Gold FlannelFlannel Slate and Grey FlannelFlannel Cranberry and Grey FlannelFlannel Sky and Royal FlannelFlannel Blue TattersallTattersall Grey Slate and Rose PlaidPlaid Grey and Charcoal PlaidPlaid Light Blue Cotton LinenLinen White Cotton LinenLinen Blue Stripe Cotton SilkStripe Light Blue Cotton SilkPlain weave Blue End-on-End GinghamGingham Blue Fine Stripe BroadclothBroadcloth Lavender Stripe BroadclothBroadcloth Peach Stripe BroadclothBroadcloth Pink and Blue Multi Stripe BroadclothBroadcloth Light Blue and Lavender Check BroadclothBroadcloth Gold PiquePique Light Blue White and Red Stripe PiquePique Red White and Blue Stripe PiquePique Sage Green Plaid LinenLinen Faded Blue Plaid LinenLinen Beige Plaid LinenLinen Navy Plaid LinenLinen Slate and Rose PlaidPlaid Sage Slate and Grey PlaidPlaid Red Stripe LinenLinen Blue and White Tile JacquardJacquard Red and White Stripe SeersuckerSeersucker Navy and White Stripe SeersuckerSeersucker Light Blue Tonal SeersuckerSeersucker Light Blue and Rose Plaid TwillTwill Blue Houndstooth LinenLinen Light Blue Wide Stripe LinenLinen Khaki Embroidered LinenLinen Slate and Navy Plaid LinenLinen Off White Heavy Rustic LinenLinen Blue and Salmon End-on-End CheckEnd-on-End Ice Blue TwillTwill Blue and Lavender TattersallTattersall Lavender TwillTwill Rust Slub TwillTwill Butter Yellow Slub TwillTwill Blue Slub TwillTwill Navy Giro InglesePlain weave White Giro InglesePlain weave Light Blue Giro InglesePlain weave Heavyweight Indigo ChambrayChambray Mid Blue TwillTwill Washed Indigo Ombre PlaidPlaid White Micro JacquardJacquard White Royal HerringboneHerringbone Navy Green and Red Tartan FlannelFlannel Mocha and Grey Tartan FlannelFlannel Burgundy and Pink Micro PrintPlain weave Slate and White Micro PrintPlain weave Olive ChamoisChamois Faded Navy OxfordOxford Light Blue Brushed ChambrayChambray Red and Brown Small Plaid TwillTwill Grey Melange Brushed WoolMerino Wool Rust and Grey Tartan FlannelFlannel Green University Stripe OxfordOxford Beige OxfordOxford Olive Selvedge TwillTwill Light Blue Wide Stripe BroadclothBroadcloth Light Blue HoundstoothCheck Light Blue Alternating StripeStripe Blue Large Glen PlaidPlaid Green Medium Gingham PoplinGingham Slate Medium Gingham PoplinGingham Slate Heavy Rustic LinenLinen Navy Mini Gingham BroadclothGingham Sky Mini Gingham BroadclothGingham Blue and Pink End-on-End CheckEnd-on-End Blue End-on-End CheckEnd-on-End Laurel Washed PoplinPoplin Navy PinpointPinpoint Light Blue Ultrafine StripeStripe Slate Blue LinenLinen Blue Linen StripeLinen Light Blue Stripe PoplinPoplin Light Blue PoplinPoplin Sky Blue Stripe SeersuckerSeersucker Dark Wash Indigo ChambrayChambray Blue and Pink Multi CheckCheck Blue and Yellow Prince of Wales CheckCheck Light Blue Reverse Stripe TwillTwill Washed Indigo LinenLinen Light Blue 3-Ply TwillTwill White 3-Ply TwillTwill Slate PinpointPinpoint Light Grey TwillTwill Blue Fine StripeStripe Blue Border StripeStripe Light Blue Stripe PiquePique Pink PiquePique Light Blue Fine GridCheck Light Blue Dobby Micro StripeStripe Light Blue Pencil StripeStripe Light Blue Wide Stripe OxfordOxford Black BroadclothBroadcloth Slate Plaid LinenLinen Blue Sea Island OxfordOxford Light Blue Stripe Sea Island OxfordOxford White Sea Island OxfordOxford Sky Bengal StripeStripe Navy Brushed ChambrayChambray Fatigue Slub TwillTwill Royal Blue OxfordOxford Evergreen OxfordOxford Navy and Red Multi Stripe OxfordOxford Blue Multi Stripe OxfordOxford Navy Tonal Fern PrintPlain weave Sky Blue Mini Grid TwillTwill White Superfine TwillTwill Royal Blue BroadclothBroadcloth Light Blue Superfine TwillTwill Navy BroadclothBroadcloth Light Blue Mini Grid BroadclothBroadcloth Light Blue Twill GinghamGingham Blue Chambray LinenChambray Light Blue University Stripe OxfordOxford Pink Bengal Stripe BroadclothBroadcloth Navy Bengal Stripe BroadclothBroadcloth Royal Blue Bengal Stripe BroadclothBroadcloth Lavender and Blue Multi CheckCheck Sienna Melange Knit JerseyJersey Light Grey Knit JerseyJersey Burgundy Merino WoolMerino Wool Light Blue Small CheckCheck Steel Prince of Wales Check LinenLinen Blue Fine Bengal StripeStripe Blue and Navy TattersallTattersall Red and Black Ombre Plaid FlannelFlannel Black and Red Ombre PlaidPlaid Rust TwillTwill Gold Brushed ChambrayChambray Light Grey Melange Brushed TwillTwill Off White Brushed OxfordOxford Camel Melange Pincord CorduroyCorduroy Light Blue Prince of Wales CheckCheck Light Blue Irish LinenLinen Light Blue Wide Stripe Irish LinenLinen Grey Irish LinenLinen Slate Cotton Linen Knit PiquePique Light Blue Cotton Linen Knit PiquePique Red Brushed ChambrayChambray Ocean Blue OxfordOxford Faded Yellow OxfordOxford Slate Brushed ChambrayChambray Faded Navy Terry KnitKnit Navy Blue GinghamGingham Light Blue Oxford ClothOxford Lavender HoundstoothCheck White Oxford ClothOxford Dark Navy Medium Gingham PoplinGingham White BroadclothBroadcloth Black DenimDenim Light Blue Bengal StripeStripe Light Blue Houndstooth Merino WoolMerino Wool Dark Grey Melange Merino WoolMerino Wool Slate Melange Merino WoolMerino Wool Black Merino WoolMerino Wool Grey Melange Merino WoolMerino Wool Grey and Blue Melange Gingham Merino WoolMerino Wool White Irish LinenLinen Black Irish LinenLinen Navy Irish LinenLinen Olive Irish LinenLinen Natural Beige Irish LinenLinen White Royal OxfordOxford Light Pink Fine TwillTwill Lavender Fine TwillTwill Dove Grey Melange Merino WoolMerino Wool Light Blue Stripe Merino WoolMerino Wool White Stretch BroadclothBroadcloth Light Grey Fine TwillTwill Ivory TwillTwill Burgundy TwillTwill Light Pink TwillTwill Navy Melange Merino WoolMerino Wool Black and White StripeStripe Light Blue Bengal Stripe BroadclothBroadcloth Navy Bengal StripeStripe Green Bengal StripeStripe Grey Bengal StripeStripe Red Bengal StripeStripe Light Blue Wide StripeStripe White Fine PinpointPinpoint Light Wash Indigo Brushed PlaidPlaid Charcoal Cotton Cashmere FlannelFlannel Light Grey Cotton Cashmere FlannelFlannel Pink University Stripe OxfordOxford Grey OxfordOxford Blue University Stripe OxfordOxford Light Blue Wide Bengal StripeStripe Light Wash Indigo DenimDenim Light Blue Vintage StripeStripe Lavender and Blue Multi GinghamGingham Light Blue End-on-EndEnd-on-End Light Blue BroadclothBroadcloth White Fine TwillTwill Light Pink OxfordOxford Lilac OxfordOxford Red OxfordOxford Blue End-on-EndEnd-on-End Pink End-on-EndEnd-on-End Red End-on-EndEnd-on-End Lavender End-on-EndEnd-on-End Light Blue Multi GinghamGingham Red and Blue TattersallTattersall Green and Blue TattersallTattersall Light Blue Royal OxfordOxford Blue Royal TwillTwill White Royal TwillTwill White Superfine Fine TwillTwill Blue Stripe SeersuckerSeersucker White 3-Ply Regal TwillTwill Light Blue Medium Gingham PoplinGingham White Marcella PiquePique