The Under Armour Tustin Walk Shorts for men keep you cool, comfortable and dry, sweat-wicking HeatGear technology. 2-way stretch fabrication allows a full range of movement while the UA Storm finish repels water. Made of a polyester/elastane blend, these Under Armour shorts boast a Velcro pocket with an internal bungee loop, a rigid waistband for a secure fit, and an internal drawcord for underwater security. Outseam: 21. 93% polyester/7% elastane.