From the Bog Dog team:
Classic all-season, all-mountain long sleeved technical t-shirt. More than just a T-shirt.
Fit: Active Mountain - Close-fitting for fast-paced activities.
Recycled Apex ECO fabric
Constructed using light UPDATE APEX ECO 100% recycled polyester, with a super wicking pique textured backer
POLYGIENE®
Treated with POLYGIENE® permanent odour control, perfect for multi day use. More wear, less washing.
Highly breathable
The lightweight fabric is highly breathable, making it ideal for versatile and fast paced activities