Sometimes simple is enough, the Basics by Tough1 line offers an unmatched balance between price and quality. This sheet is made with 1200 denier waterproof, ripstop material. The double buckle front and crossed surcingle belly allow for a secure and comfortable fit. The large shoulder gussets offer plenty of room for unrestricted movement. Complete with a tail flap, fleece wither protection, and adjustable/replaceable elastic leg straps. 
 
1200 denier waterproof outer shell
Large shoulder gussets for freedom of movement
Double buckle front
Tail flap