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Boys' tops come in such a variety of styles and colors, they're the perfect way to start planning an entire outfit. Shop at thredUP when you're looking for an excellent selection of like-new boys' tops that range from casual to dressy and at prices up to 90% off estimated retail.
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![Polo by Ralph Lauren Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610365104/complimentary.jpg)
![Polo by Ralph Lauren Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610365067/complimentary.jpg)
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 14
$13.99 $7.69 45% off with code GOBIG
48% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610549326/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610549168/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$18.99 $10.44 45% off with code GOBIG
76% off estimated retail![Ralph Lauren Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608624560/complimentary.jpg)
![Ralph Lauren Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608624317/complimentary.jpg)
Ralph Lauren
Short Sleeve Button-Down Shirt
Size 14
$8.99 $4.94 45% off with code GOBIG
71% off estimated retail![Armani Baby Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608624937/complimentary.jpg)
![Armani Baby Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608624857/complimentary.jpg)
Armani Baby
Short Sleeve Button-Down Shirt
Size 14
$26.99 $14.84 45% off with code GOBIG
79% off estimated retail![Tommy Hilfiger Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609651980/complimentary.jpg)
![Tommy Hilfiger Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609651963/complimentary.jpg)
Tommy Hilfiger
Short Sleeve Button-Down Shirt
Size 14
$17.99 $9.89 45% off with code GOBIG
65% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608637092/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608637007/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$16.99 $9.34 45% off with code GOBIG
73% off estimated retail![Old Navy Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610042117/complimentary.jpg)
![Old Navy Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610042046/complimentary.jpg)
Old Navy
Short Sleeve Button-Down Shirt
Size 14
$11.99 $6.59 45% off with code GOBIG
36% off estimated retail![Columbia Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609422072/complimentary.jpg)
![Columbia Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609422063/complimentary.jpg)
Columbia
Short Sleeve Button-Down Shirt
Size 14
$14.99 $8.24 45% off with code GOBIG
50% off estimated retail![Daniel Cremieux Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608803769/complimentary.jpg)
![Daniel Cremieux Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608803702/complimentary.jpg)
Daniel Cremieux
Short Sleeve Button-Down Shirt
Size 14
$14.99 $8.24 45% off with code GOBIG
63% off estimated retail![Michael Kors Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610076522/complimentary.jpg)
![Michael Kors Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610076495/complimentary.jpg)
Michael Kors
Long Sleeve Button-Down Shirt
Size 14
$17.99 $9.89 45% off with code GOBIG
72% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609651994/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609651932/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$25.99 $14.29 45% off with code GOBIG
68% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609652754/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609652689/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$26.99 $14.84 45% off with code GOBIG
67% off estimated retail![Nordstrom Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/607186321/complimentary.jpg)
![Nordstrom Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/607186264/complimentary.jpg)
Nordstrom
Long Sleeve Button-Down Shirt
Size 14
$16.99 $9.34 45% off with code GOBIG
69% off estimated retail![Crewcuts Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608728597/complimentary.jpg)
![Crewcuts Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608728516/complimentary.jpg)
Crewcuts
Short Sleeve Button-Down Shirt
Size 14
$14.99 $8.24 45% off with code GOBIG
71% off estimated retail![The Rugged Bear Long Sleeve Turtleneck (view 2)](https://cf-assets-thredup.thredup.com/assets/608681725/complimentary.jpg)
![The Rugged Bear Long Sleeve Turtleneck (view 1)](https://cf-assets-thredup.thredup.com/assets/608681590/complimentary.jpg)
The Rugged Bear
Long Sleeve Turtleneck
Size 14
$18.99 $10.44 45% off with code GOBIG
61% off estimated retail![Authentic Galaxy Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/607300268/complimentary.jpg)
![Authentic Galaxy Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/607300209/complimentary.jpg)
Authentic Galaxy
Short Sleeve Button-Down Shirt
Size 14
$7.99 $4.39 45% off with code GOBIG
68% off estimated retail![Polo by Ralph Lauren Long Sleeve Henley (view 2)](https://cf-assets-thredup.thredup.com/assets/608705749/complimentary.jpg)
![Polo by Ralph Lauren Long Sleeve Henley (view 1)](https://cf-assets-thredup.thredup.com/assets/608705507/complimentary.jpg)
Polo by Ralph Lauren
Long Sleeve Henley
Size 14
$20.99 $11.54 45% off with code GOBIG
61% off estimated retail![Athletic Propulsion Labs Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609293253/complimentary.jpg)
![Athletic Propulsion Labs Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609293226/complimentary.jpg)
Athletic Propulsion Labs
Active T-Shirt
Size 14
$24.99 $13.74 45% off with code GOBIG
69% off estimated retail![Assorted Brands 3/4 Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608900975/complimentary.jpg)
![Assorted Brands 3/4 Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608900946/complimentary.jpg)
Assorted Brands
3/4 Sleeve T-Shirt
Size 5T
$10.99 $6.04 45% off with code GOBIG
66% off estimated retail![Ralph Lauren Sport Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/607030565/complimentary.jpg)
![Ralph Lauren Sport Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/607030389/complimentary.jpg)
Ralph Lauren Sport
Long Sleeve Button-Down Shirt
Size 14
$17.99 $9.89 45% off with code GOBIG
79% off estimated retail![The Children's Place Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608388436/complimentary.jpg)
![The Children's Place Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608388385/complimentary.jpg)
The Children's Place
Long Sleeve Button-Down Shirt
Size 14
$9.99 $5.49 45% off with code GOBIG
57% off estimated retail![Mickey and Jenny Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608121222/complimentary.jpg)
![Mickey and Jenny Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608121096/complimentary.jpg)
Mickey and Jenny
Short Sleeve T-Shirt
Size 5T
$14.99 $8.24 45% off with code GOBIG
58% off estimated retail![Polo by Ralph Lauren Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/607365249/complimentary.jpg)
![Polo by Ralph Lauren Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/607365170/complimentary.jpg)
Polo by Ralph Lauren
Pullover Sweater
Size 14
$19.99 $10.99 45% off with code GOBIG
68% off estimated retail![UNTUCKit Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606334766/complimentary.jpg)
![UNTUCKit Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606334728/complimentary.jpg)
UNTUCKit
Long Sleeve Button-Down Shirt
Size 14
$20.99 $11.54 45% off with code GOBIG
70% off estimated retail![Carhartt Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606403334/complimentary.jpg)
![Carhartt Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606403256/complimentary.jpg)
Carhartt
Long Sleeve Button-Down Shirt
Size 14
$23.99 $13.19 45% off with code GOBIG
54% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/607106050/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/607105997/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$16.99 $9.34 45% off with code GOBIG
76% off estimated retail![Hawke & Co. Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606727236/complimentary.jpg)
![Hawke & Co. Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606727212/complimentary.jpg)
Hawke & Co.
Short Sleeve Button-Down Shirt
Size 14
$23.99 $13.19 45% off with code GOBIG
59% off estimated retail![ABound Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/607283573/complimentary.jpg)
![ABound Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/607283501/complimentary.jpg)
ABound
Long Sleeve Button-Down Shirt
Size 14
$15.99 $8.79 45% off with code GOBIG
57% off estimated retail![Popsugar x Old Navy Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/606675243/complimentary.jpg)
![Popsugar x Old Navy Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/606674943/complimentary.jpg)
Popsugar x Old Navy
Pullover Hoodie
Size 14
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Robert Graham Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606680746/complimentary.jpg)
![Robert Graham Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606680699/complimentary.jpg)
Robert Graham
Long Sleeve Button-Down Shirt
Size 14
$68.99 $37.94 45% off with code GOBIG
64% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606152731/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606152521/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$16.99 $9.34 45% off with code GOBIG
76% off estimated retail![Ralph Lauren Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/606134004/complimentary.jpg)
![Ralph Lauren Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/606133908/complimentary.jpg)
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$14.99 $8.24 45% off with code GOBIG
79% off estimated retail![BOSS by HUGO BOSS Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/604187895/complimentary.jpg)
![BOSS by HUGO BOSS Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/604187839/complimentary.jpg)
BOSS by HUGO BOSS
Short Sleeve T-Shirt
Size 14
$19.99 $10.99 45% off with code GOBIG
72% off estimated retail![Emporio Armani Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/604199689/complimentary.jpg)
![Emporio Armani Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/604199658/complimentary.jpg)
Emporio Armani
Short Sleeve T-Shirt
Size 14
$31.99 $17.59 45% off with code GOBIG
68% off estimated retail![Philipp Plein Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/605443974/complimentary.jpg)
![Philipp Plein Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/605443884/complimentary.jpg)
Philipp Plein
Short Sleeve T-Shirt
Size 14
$48.99 $26.94 45% off with code GOBIG
47% off estimated retail![Polo by Ralph Lauren Long Sleeve Polo (view 2)](https://cf-assets-thredup.thredup.com/assets/604602995/complimentary.jpg)
![Polo by Ralph Lauren Long Sleeve Polo (view 1)](https://cf-assets-thredup.thredup.com/assets/604602857/complimentary.jpg)
Polo by Ralph Lauren
Long Sleeve Polo
Size 14
$13.99 $7.69 45% off with code GOBIG
70% off estimated retail![Ariat Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/605407921/complimentary.jpg)
![Ariat Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/605407798/complimentary.jpg)
Ariat
Long Sleeve Button-Down Shirt
Size 14
$12.99 $7.14 45% off with code GOBIG
76% off estimated retail![Eddie Bauer Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/604639892/complimentary.jpg)
![Eddie Bauer Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/604639738/complimentary.jpg)
Eddie Bauer
Long Sleeve Button-Down Shirt
Size 14
$20.99 $11.54 45% off with code GOBIG
59% off estimated retail![Bella + Canvas Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/605066308/complimentary.jpg)
![Bella + Canvas Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/605066304/complimentary.jpg)
Bella + Canvas
Short Sleeve T-Shirt
Size 14
$13.99 $7.69 45% off with code GOBIG
52% off estimated retail![Tony Hawk Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/605067564/complimentary.jpg)
![Tony Hawk Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/605067422/complimentary.jpg)
Tony Hawk
Long Sleeve Button-Down Shirt
Size 14
$10.99 $6.04 45% off with code GOBIG
66% off estimated retail![Crewcuts Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/603228016/complimentary.jpg)
![Crewcuts Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/603227949/complimentary.jpg)
Crewcuts
Long Sleeve Button-Down Shirt
Size 14
$19.99 $10.99 45% off with code GOBIG
69% off estimated retail![Independent Trading Company Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/602879426/complimentary.jpg)
![Independent Trading Company Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/602879166/complimentary.jpg)
Independent Trading Company
Pullover Hoodie
Size 14
$16.99 $9.34 45% off with code GOBIG
61% off estimated retail![Nukutavake Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/602805675/complimentary.jpg)
![Nukutavake Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/602805322/complimentary.jpg)
Nukutavake
Long Sleeve Button-Down Shirt
Size 14
$17.99 $9.89 45% off with code GOBIG
67% off estimated retail