Relwen Mock fleece, $168 at Huckberry

Vintage fit Polo-collar sweatshirt, $198 at Ralph Lauren

Flint and Tinder Midweight terry crewneck sweatshirt, $98/$83 at Huckberry

24.7 ImpossiblySoft Dri-FIT crew sweatshirt, $115/$75.97 at Nike

'83 Fleece crewneck sweatshirt, $188/$37.49 at J.Crew

Carhartt WIP Nelson sweatshirt, $158/$79 at Nordstrom

Champion Crewneck fleece sweatshirt, $45/$34.99 at Amazon.com

Sweatshirt, $39.90/$19.90 at UNIQLO

Oversized sweatshirt, $29.99 at H&M

Scour fleece wide crewneck sweatshirt, $74 at Los Angeles Apparel

Foundation pocket sweatshirt, $98 at Todd Snyder

Heritage heavyweight crew sweatshirt, $75 at Abercrombie & Fitch

Heavyweight oversized sweatshirt, $69.95/$34 at Gap

Classic crewneck sweatshirt, $80 at Elwood

Faded featherweight terry crewneck sweatshirt, $128 at Buck Mason

Pigment C/N Freedom sweatshirt, $150 at VELVA SHEEN

McCarren crewneck field sweatshirt, $98 at Madewell

Garment-dyed raglan sweatshirt, $168 at Alex Mill

Mid-weight terry relaxed crewneck sweatshirt, $98 at Reigning Champ

Relaxed French terry crew sweatshirt, $98 at American Giant

Faded crewneck sweatshirt, $80 at Blanks by Thirteen Studios

Fortela Cotton-Jersey sweatshirt, $350 at MR PORTER

Stone Island Ghost garment-dyed sweatshirt, $480 at MR PORTER

Visvim Court jersey sweatshirt, $570 at MR PORTER

James Perse Jersey sweatshirt, $175 at MR PORTER

Proof PatinaTech crewneck sweatshirt, $128 at Huckberry

Sunwashed sweatshirt, $69.95/$59.99 at L.L.Bean

LW250 crewneck sweatshirt, $275 at LOOPWHEELER

Champion crewneck sweatshirt, $49.99 at Amazon.com

Zara x Tanaka Crewneck sweatshirt, $99.90 at ZARA

Café crewneck sweatshirt, $180 at Aimé Leon Dore

Soho V-neck sweatshirt, $94 at Todd Snyder

Heritage 14 oz. fleece sweatshirt, $98/$69.50 at J.Crew

Fear of God Essentials Signature '90s polo sweatshirt, $140/$84 at Nordstrom

Soho V-neck sweatshirt, $94 at Todd Snyder

Heavyweight French terry oversized sweatshirt, $69.95/$19.99 at Gap

Heavy fleece sweatshirt, $74 at Los Angeles Apparel

Freedom sweatshirt, $100 at VelvaSheen

Workhorse raglan sweatshirt, $78 at Steel City

Vintage NYC sweatshirt, $74 at Urban Outfitters

Big Rock Candy Mountaineering Chop sweatshirt, $89 at Huckberry

Raglan fleece sweatshirt, $88 at Jungmaven

Heavyweight French terry sweatshirt, $59.95/$44.99 at Gap

Richer Poorer Raglan sweatshirt, $60 at Andie Co.

French terry sweatshirt, $90 at American Giant

Toys McCoy Steve Mcqueen sweatshirt, $450 at Son of a Stag

Sunset crew sweatshirt, $98 at Taylor Stitch

Foundation sweatshirt, $88 at Todd Snyder