Because it features its own power regulation

Paddle Sports

absorbs shock & spreads force over entire shoe Rubber sole

and USSSA ' Free Shipping

Some skaters prefer a comfort fit which generally results in matching their current shoe size

New Under Armour Men's HeatGear Sonic Compression Short Black/White Small Small:Black/White Because it features its ownMen's UNDER ARMOUR HEATGEAR SONIC COMPRESSION SHORT :: Get serious support for your serious workout with your men's Under Armour Heatgear Sonic Compression Short. Move freely with the four way stretch material without restriction. And stay cool and fresh longer with the anti odor technology. Forget about annoying chafing, you'll feel great with the smooth flatlock seams. And get a comfortable fit with the elastic waistband. 4 Way Stretch Fabrication