DOC Size Guide

Use body measurements as a starting point, then check the product page for brand-specific fit notes.

Adult Unisex

General Apparel Sizing

Size	Chest	Waist	Suggested Fit
XS	31–34 in	25–28 in	Extra Small
S	34–37 in	28–31 in	Small
M	37–41 in	31–35 in	Medium
L	41–44 in	35–38 in	Large
XL	44–48 in	38–42 in	Extra Large
2XL	48–53 in	42–47 in	Double Extra Large
3XL	53–58 in	47–52 in	Triple Extra Large

Youth

Size	Chest	Waist	Typical Reference
YS	26–28 in	23–24 in	Youth Small
YM	28–30 in	24–25 in	Youth Medium
YL	30–32 in	25–27 in	Youth Large
YXL	32–35 in	27–29 in	Youth Extra Large

Fit note: These are general guidelines, not guarantees. Manufacturer charts and product-specific fit information should always take priority.

How to Measure

Measure around the fullest part of the chest, keeping the tape level and relaxed.

Measure around the natural waist without pulling the measuring tape too tightly.

Consider the desired fit and layering. For performance products, review the item description carefully.