Sport-Tek YST420LS Youth Posi-UV Pro Long Sleeve Tee.

Features

4 ounce, 100% polyester interlock performance fabric

PosiCharge technology helps maintain color and print quality

UPF 50 rating for added sun protection during outdoor activities

Lightweight, breathable fabric for everyday comfort

Long sleeves for extended coverage

Set in sleeves for a classic fit and natural movement

Removable tag for enhanced comfort and easy relabeling

Sizes	24-47	48-71	72-143	144-239	240-359	360+	Quantity
XS C	$8.92	$8.08	$7.77	$7.46	$7.27	$6.95	- +
S	$8.92	$8.08	$7.77	$7.46	$7.27	$6.95	SOLD Get restock alert
M	$8.92	$8.08	$7.77	$7.46	$7.27	$6.95	SOLD Get restock alert
L	$8.92	$8.08	$7.77	$7.46	$7.27	$6.95	SOLD Get restock alert
XL	$8.92	$8.08	$7.77	$7.46	$7.27	$6.95	SOLD Get restock alert

Description

The YST420LS Sport-Tek Youth Posi-UV Pro Long Sleeve Tee is designed for active kids who need lightweight comfort and dependable performance throughout the day. Made from 4 ounce, 100% polyester interlock fabric with PosiCharge technology, this long sleeve tee is built to help maintain color vibrancy and support long lasting wear. The smooth, breathable fabric offers a comfortable feel, while the UPF 50 rating provides added protection during outdoor activities, making it a practical choice for schools, youth sports, camps, and team apparel.

The classic fit and set in sleeves allow for easy movement during practice, training, and everyday wear. A removable tag enhances comfort and makes relabeling simple for decorators and private label programs. The clean design also provides an excellent surface for screen printing, heat transfer, and other custom decoration methods, making this performance tee a reliable option for promotional apparel, school uniforms, athletic programs, and branded youth apparel collections.

Care Instructions

Machine wash cold with like colors.
Use only non chlorine bleach when needed.
Tumble dry low.
Remove promptly after drying.
Cool iron if needed, avoiding any decoration.
Do not dry clean.
Store in a cool, dry place.

Available Colors

Dark Smoke Grey, True Navy, True Red, Kelly Green, Bright Seafoam, Black, Sapphire, Soft Coral, True Royal, White

Available Sizes

XS, S, M, L, XL

Customization Options

Embroidery
Screen Printing
Direct-to-film

Size Chart

	XS	S	M	L	XL
Size	4/5	6/8	10/12	14/16	18/20
Chest	22-24	25-27	28-30	30-32	32-34

Brand Intro

Known for its athletic polos, moisture-wicking tees, hoodies, and lightweight jackets, the brand focuses on functional fabrics that stay comfortable under pressure. It’s widely trusted by teams, schools, and businesses that need consistent quality for uniforms and branded apparel. In the wholesale space, Sport-Tek has become a benchmark for dependable, performance-driven activewear that works in both sport and everyday use.

To learn more, visit our Sport-tek brand page

Shipping and Return

Free shipping on orders over $250 anywhere in the US. A $10 flat fee applies on orders under $250.
Orders placed before 3 p.m. CST are processed and shipped the same day. Delays may occur during sales or peak shopping periods.
Shipping options include Ground, Express, and ASAP depending on how fast you need delivery.
Delivery times range from 2–5 business days for Ground, 2–3 days for Express, and next business day for ASAP (based on cut-off times).
Returns are accepted within 30 days with approved RA. Items must be unused and in original condition. Restocking fees may apply in some cases.