Obviously Men's Trunks These modern boxer trunks by Obviously have been made for comfort. The eco friendly material Bamboo Rayon is blended with Lycra to create a supple fabric that is antibacterial, anti fungal and hypoallergenic. Excellent support is provided from a single panel, 4 way stretch fabric and an elasticated comfort waistband. Thoroughly tested to ensure fading, shrinking and sagging never happens. Guranteed to last.