1. Hanes Big Boys' 5-Pack Sport Inspired Ringer Boxer Brief, Assorted, Medium (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Preshrunk for a better fitLeg bands designed to prevent ride up

2. Duofold Midweight Single Layer Pant Kids Large (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Fabric Type: Thermal--A loosely woven fabric that allows air to circulate and body heat to escapePerformance Technology: Duofold® Varitherm®--Performance activated baselayer represents the ultimate standard for combined thermal protection and moisture management. Performance features will not wash out or wear away, and all styles feature odor-resistant properties.

3. Under Armour Boys' Original Series Boxer Shorts 2-Pack, True Gray Heather (025), Youth X-Large (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
Lightweight, smooth HeatGear fabric for superior performance4-way stretch fabrication allows greater mobility in any direction

4. Haby Women's Sports Boyshort Athletic Underwear 21537BL XL (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
High Quality Underwear - Sports BoyshortKeeps you Dry - 4-way stretch fabric

5. ExOfficio Women's Give-n-Go Sport Mesh 2'' Underwear, Black, Large (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Ultralight mesh is breathable and quick drying, keeping you coolActive fit and lower rise are ideal for high energy activities